diff --git a/.env.example b/.env.example
index a3ccf90..661c459 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,4 @@
-APP_NAME="Toby HR applicaiton"
+APP_NAME="Toby HR application"
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
diff --git a/app/Architecture/Providers/AppServiceProvider.php b/app/Architecture/Providers/AppServiceProvider.php
index d7e58c9..b1dc896 100644
--- a/app/Architecture/Providers/AppServiceProvider.php
+++ b/app/Architecture/Providers/AppServiceProvider.php
@@ -15,6 +15,7 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
         Carbon::macro("toDisplayString", fn() => $this->translatedFormat("j F Y"));
+        Carbon::macro("toDisplayDate", fn() => $this->translatedFormat("d.m.Y"));
 
         $selectedYearPeriodScope = $this->app->make(SelectedYearPeriodScope::class);
 
diff --git a/app/Architecture/Providers/EventServiceProvider.php b/app/Architecture/Providers/EventServiceProvider.php
index 14bd1e2..3107b26 100644
--- a/app/Architecture/Providers/EventServiceProvider.php
+++ b/app/Architecture/Providers/EventServiceProvider.php
@@ -10,22 +10,34 @@ use Toby\Domain\Events\VacationRequestAcceptedByTechnical;
 use Toby\Domain\Events\VacationRequestApproved;
 use Toby\Domain\Events\VacationRequestCancelled;
 use Toby\Domain\Events\VacationRequestCreated;
+use Toby\Domain\Events\VacationRequestRejected;
 use Toby\Domain\Events\VacationRequestStateChanged;
+use Toby\Domain\Events\VacationRequestWaitsForAdminApproval;
+use Toby\Domain\Events\VacationRequestWaitsForTechApproval;
 use Toby\Domain\Listeners\CreateVacationRequestActivity;
 use Toby\Domain\Listeners\HandleAcceptedByAdministrativeVacationRequest;
 use Toby\Domain\Listeners\HandleAcceptedByTechnicalVacationRequest;
 use Toby\Domain\Listeners\HandleApprovedVacationRequest;
 use Toby\Domain\Listeners\HandleCancelledVacationRequest;
 use Toby\Domain\Listeners\HandleCreatedVacationRequest;
+use Toby\Domain\Listeners\SendApprovedVacationRequestNotification;
+use Toby\Domain\Listeners\SendCancelledVacationRequestNotification;
+use Toby\Domain\Listeners\SendCreatedVacationRequestNotification;
+use Toby\Domain\Listeners\SendRejectedVacationRequestNotification;
+use Toby\Domain\Listeners\SendWaitedForAdministrativeVacationRequestNotification;
+use Toby\Domain\Listeners\SendWaitedForTechnicalVacationRequestNotification;
 
 class EventServiceProvider extends ServiceProvider
 {
     protected $listen = [
         VacationRequestStateChanged::class => [CreateVacationRequestActivity::class],
-        VacationRequestCreated::class => [HandleCreatedVacationRequest::class],
+        VacationRequestCreated::class => [HandleCreatedVacationRequest::class, SendCreatedVacationRequestNotification::class],
         VacationRequestAcceptedByTechnical::class => [HandleAcceptedByTechnicalVacationRequest::class],
         VacationRequestAcceptedByAdministrative::class => [HandleAcceptedByAdministrativeVacationRequest::class],
-        VacationRequestApproved::class => [HandleApprovedVacationRequest::class],
-        VacationRequestCancelled::class => [HandleCancelledVacationRequest::class],
+        VacationRequestApproved::class => [HandleApprovedVacationRequest::class, SendApprovedVacationRequestNotification::class],
+        VacationRequestRejected::class => [SendRejectedVacationRequestNotification::class],
+        VacationRequestCancelled::class => [HandleCancelledVacationRequest::class, SendCancelledVacationRequestNotification::class],
+        VacationRequestWaitsForTechApproval::class => [SendWaitedForTechnicalVacationRequestNotification::class],
+        VacationRequestWaitsForAdminApproval::class => [SendWaitedForAdministrativeVacationRequestNotification::class],
     ];
 }
diff --git a/app/Domain/Events/VacationRequestRejected.php b/app/Domain/Events/VacationRequestRejected.php
new file mode 100644
index 0000000..5378736
--- /dev/null
+++ b/app/Domain/Events/VacationRequestRejected.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestRejected
+{
+    use Dispatchable;
+    use SerializesModels;
+
+    public function __construct(
+        public VacationRequest $vacationRequest,
+    ) {
+    }
+}
diff --git a/app/Domain/Events/VacationRequestWaitsForAdminApproval.php b/app/Domain/Events/VacationRequestWaitsForAdminApproval.php
new file mode 100644
index 0000000..5903f2e
--- /dev/null
+++ b/app/Domain/Events/VacationRequestWaitsForAdminApproval.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForAdminApproval
+{
+    use Dispatchable;
+    use SerializesModels;
+
+    public function __construct(
+        public VacationRequest $vacationRequest,
+    ) {
+    }
+}
diff --git a/app/Domain/Events/VacationRequestWaitsForTechApproval.php b/app/Domain/Events/VacationRequestWaitsForTechApproval.php
new file mode 100644
index 0000000..9ba9123
--- /dev/null
+++ b/app/Domain/Events/VacationRequestWaitsForTechApproval.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForTechApproval
+{
+    use Dispatchable;
+    use SerializesModels;
+
+    public function __construct(
+        public VacationRequest $vacationRequest,
+    ) {
+    }
+}
diff --git a/app/Domain/Listeners/SendApprovedVacationRequestNotification.php b/app/Domain/Listeners/SendApprovedVacationRequestNotification.php
new file mode 100644
index 0000000..ed4abe3
--- /dev/null
+++ b/app/Domain/Listeners/SendApprovedVacationRequestNotification.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestApproved;
+use Toby\Domain\Notifications\VacationRequestApprovedNotification;
+use Toby\Eloquent\Models\User;
+
+class SendApprovedVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestApproved $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestApprovedNotification($event->vacationRequest, $user));
+        }
+
+        $event->vacationRequest->user->notify(new VacationRequestApprovedNotification($event->vacationRequest, $event->vacationRequest->user));
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->whereIn("role", [Role::TechnicalApprover, Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendCancelledVacationRequestNotification.php b/app/Domain/Listeners/SendCancelledVacationRequestNotification.php
new file mode 100644
index 0000000..ec64eaf
--- /dev/null
+++ b/app/Domain/Listeners/SendCancelledVacationRequestNotification.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestCancelled;
+use Toby\Domain\Notifications\VacationRequestCancelledNotification;
+use Toby\Eloquent\Models\User;
+
+class SendCancelledVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestCancelled $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestCancelledNotification($event->vacationRequest, $user));
+        }
+
+        $event->vacationRequest->user->notify(new VacationRequestCancelledNotification($event->vacationRequest, $event->vacationRequest->user));
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->whereIn("role", [Role::TechnicalApprover, Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendCreatedVacationRequestNotification.php b/app/Domain/Listeners/SendCreatedVacationRequestNotification.php
new file mode 100644
index 0000000..5aece51
--- /dev/null
+++ b/app/Domain/Listeners/SendCreatedVacationRequestNotification.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Toby\Domain\Events\VacationRequestCreated;
+use Toby\Domain\Notifications\VacationRequestCreatedNotification;
+
+class SendCreatedVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestCreated $event): void
+    {
+        $event->vacationRequest->user->notify(new VacationRequestCreatedNotification($event->vacationRequest));
+    }
+}
diff --git a/app/Domain/Listeners/SendRejectedVacationRequestNotification.php b/app/Domain/Listeners/SendRejectedVacationRequestNotification.php
new file mode 100644
index 0000000..3835d34
--- /dev/null
+++ b/app/Domain/Listeners/SendRejectedVacationRequestNotification.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestRejected;
+use Toby\Domain\Notifications\VacationRequestRejectedNotification;
+use Toby\Eloquent\Models\User;
+
+class SendRejectedVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestRejected $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestRejectedNotification($event->vacationRequest, $user));
+        }
+
+        $event->vacationRequest->user->notify(new VacationRequestRejectedNotification($event->vacationRequest, $event->vacationRequest->user));
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->whereIn("role", [Role::TechnicalApprover, Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendWaitedForAdministrativeVacationRequestNotification.php b/app/Domain/Listeners/SendWaitedForAdministrativeVacationRequestNotification.php
new file mode 100644
index 0000000..0637521
--- /dev/null
+++ b/app/Domain/Listeners/SendWaitedForAdministrativeVacationRequestNotification.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestWaitsForAdminApproval;
+use Toby\Domain\Notifications\VacationRequestWaitsForAdminApprovalNotification;
+use Toby\Eloquent\Models\User;
+
+class SendWaitedForAdministrativeVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestWaitsForAdminApproval $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestWaitsForAdminApprovalNotification($event->vacationRequest, $user));
+        }
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->where("role", [Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendWaitedForTechnicalVacationRequestNotification.php b/app/Domain/Listeners/SendWaitedForTechnicalVacationRequestNotification.php
new file mode 100644
index 0000000..3a0ef75
--- /dev/null
+++ b/app/Domain/Listeners/SendWaitedForTechnicalVacationRequestNotification.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestWaitsForTechApproval;
+use Toby\Domain\Notifications\VacationRequestWaitsForTechApprovalNotification;
+use Toby\Eloquent\Models\User;
+
+class SendWaitedForTechnicalVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestWaitsForTechApproval $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestWaitsForTechApprovalNotification($event->vacationRequest, $user));
+        }
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->where("role", [Role::TechnicalApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestApprovedNotification.php b/app/Domain/Notifications/VacationRequestApprovedNotification.php
new file mode 100644
index 0000000..0466062
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestApprovedNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestApprovedNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $requester = $this->vacationRequest->user->fullName;
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been approved", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title for user :requester has been approved.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestCancelledNotification.php b/app/Domain/Notifications/VacationRequestCancelledNotification.php
new file mode 100644
index 0000000..2b19940
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestCancelledNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestCancelledNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $requester = $this->vacationRequest->user->fullName;
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been cancelled", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title for user :requester has been cancelled.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestCreatedNotification.php b/app/Domain/Notifications/VacationRequestCreatedNotification.php
new file mode 100644
index 0000000..75c9549
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestCreatedNotification.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestCreatedNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->vacationRequest->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $appName = config("app.name");
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been created", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title has been created correctly in the :appName.", [
+                "title" => $title,
+                "appName" => $appName,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestRejectedNotification.php b/app/Domain/Notifications/VacationRequestRejectedNotification.php
new file mode 100644
index 0000000..98775cd
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestRejectedNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestRejectedNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $requester = $this->vacationRequest->user->fullName;
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been rejected", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title for user :requester has been rejected.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestWaitsForAdminApprovalNotification.php b/app/Domain/Notifications/VacationRequestWaitsForAdminApprovalNotification.php
new file mode 100644
index 0000000..2dc718c
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestWaitsForAdminApprovalNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForAdminApprovalNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $requester = $this->vacationRequest->user->fullName;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title is waiting for your approval", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title from user: :requester is waiting for your approval.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestWaitsForTechApprovalNotification.php b/app/Domain/Notifications/VacationRequestWaitsForTechApprovalNotification.php
new file mode 100644
index 0000000..703cbee
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestWaitsForTechApprovalNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForTechApprovalNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $requester = $this->vacationRequest->user->fullName;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title is waiting for your approval", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title from user: :requester is waiting for your approval.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/VacationRequestStateManager.php b/app/Domain/VacationRequestStateManager.php
index c3e3e2d..4256112 100644
--- a/app/Domain/VacationRequestStateManager.php
+++ b/app/Domain/VacationRequestStateManager.php
@@ -12,6 +12,9 @@ use Toby\Domain\Events\VacationRequestAcceptedByTechnical;
 use Toby\Domain\Events\VacationRequestApproved;
 use Toby\Domain\Events\VacationRequestCancelled;
 use Toby\Domain\Events\VacationRequestCreated;
+use Toby\Domain\Events\VacationRequestRejected;
+use Toby\Domain\Events\VacationRequestWaitsForAdminApproval;
+use Toby\Domain\Events\VacationRequestWaitsForTechApproval;
 use Toby\Eloquent\Models\VacationRequest;
 
 class VacationRequestStateManager
@@ -39,6 +42,8 @@ class VacationRequestStateManager
     public function reject(VacationRequest $vacationRequest): void
     {
         $this->changeState($vacationRequest, VacationRequestState::Rejected);
+
+        $this->dispatcher->dispatch(new VacationRequestRejected($vacationRequest));
     }
 
     public function cancel(VacationRequest $vacationRequest): void
@@ -65,11 +70,15 @@ class VacationRequestStateManager
     public function waitForTechnical(VacationRequest $vacationRequest): void
     {
         $this->changeState($vacationRequest, VacationRequestState::WaitingForTechnical);
+
+        $this->dispatcher->dispatch(new VacationRequestWaitsForTechApproval($vacationRequest));
     }
 
     public function waitForAdministrative(VacationRequest $vacationRequest): void
     {
         $this->changeState($vacationRequest, VacationRequestState::WaitingForAdministrative);
+
+        $this->dispatcher->dispatch(new VacationRequestWaitsForAdminApproval($vacationRequest));
     }
 
     protected function changeState(VacationRequest $vacationRequest, VacationRequestState $state): void
diff --git a/app/Eloquent/Observers/VacationRequestObserver.php b/app/Eloquent/Observers/VacationRequestObserver.php
index eec46bc..ecbc5b1 100644
--- a/app/Eloquent/Observers/VacationRequestObserver.php
+++ b/app/Eloquent/Observers/VacationRequestObserver.php
@@ -5,7 +5,7 @@ declare(strict_types=1);
 namespace Toby\Eloquent\Observers;
 
 use Illuminate\Contracts\Auth\Factory as Auth;
-use Illuminate\Events\Dispatcher;
+use Illuminate\Contracts\Events\Dispatcher;
 use Toby\Domain\Enums\VacationRequestState;
 use Toby\Domain\Events\VacationRequestStateChanged;
 use Toby\Eloquent\Models\User;
diff --git a/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php b/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php
index c513785..e751f89 100644
--- a/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php
+++ b/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php
@@ -13,7 +13,7 @@ class VacationRequestActivityResource extends JsonResource
     public function toArray($request): array
     {
         return [
-            "date" => $this->created_at->format("d.m.Y"),
+            "date" => $this->created_at->toDisplayDate(),
             "time" => $this->created_at->format("H:i"),
             "user" => $this->user ? $this->user->fullName : __("System"),
             "state" => $this->to,
diff --git a/config/mail.php b/config/mail.php
index 6461e38..0bbffd9 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -35,7 +35,7 @@ return [
         "name" => env("MAIL_FROM_NAME", "Example"),
     ],
     "markdown" => [
-        "theme" => "default",
+        "theme" => "mail",
         "paths" => [
             resource_path("views/vendor/mail"),
         ],
diff --git a/package-lock.json b/package-lock.json
index 958999c..1d8d8f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-    "name": "toby",
+    "name": "application",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
diff --git a/resources/js/Shared/MainMenu.vue b/resources/js/Shared/MainMenu.vue
index 5318860..cb75cdd 100644
--- a/resources/js/Shared/MainMenu.vue
+++ b/resources/js/Shared/MainMenu.vue
@@ -390,4 +390,4 @@ export default {
     }
   },
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/resources/lang/pl.json b/resources/lang/pl.json
index d512566..2366fe2 100644
--- a/resources/lang/pl.json
+++ b/resources/lang/pl.json
@@ -42,7 +42,27 @@
   "Vacation limits have been updated.": "Limity urlopów zostały zaktualizowane.",
   "Vacation request has been created.": "Wniosek urlopowy został utworzony.",
   "Vacation request has been accepted.": "Wniosek urlopowy został zaakceptowany.",
+  "Vacation request has been approved.": "Wniosek urlopowy został zatwierdzony.",
   "Vacation request has been rejected.": "Wniosek urlopowy został odrzucony.",
-  "Vacation request has been cancelled.": "Wniosek urlopowy został anulowany."
-
+  "Vacation request has been cancelled.": "Wniosek urlopowy został anulowany.",
+  "Hi :user!": "Cześć :user!",
+  "The vacation request :title has changed state to :state.": "Wniosek urlopowy :title zmienił status na :state.",
+  "Vacation request :title": "Wniosek urlopowy :title",
+  "Regards": "Z poważaniem",
+  "If you're having trouble clicking the \":actionText\" button, copy and paste the URL below\ninto your web browser:": "Jeżeli masz problemy z kliknięciem przycisku \":actionText\", skopiuj i wklej poniższy adres w pasek przeglądarki:",
+  "All rights reserved.": "Wszelkie prawa zastrzeżone",
+  "Show vacation request": "Pokaż wniosek",
+  "Vacation request :title has been created" : "Wniosek :title został utworzony",
+  "The vacation request :title has been created correctly in the :appName.": "W systemie :appName został poprawnie utworzony wniosek urlopowy :title.",
+  "Vacation type: :type": "Rodzaj wniosku: :type",
+  "From :from to :to (number of days: :days)": "Od :from do :to (liczba dni: :days)",
+  "Click here for details": "Kliknij, aby zobaczyć szczegóły",
+  "Vacation request :title is waiting for your approval": "Wniosek urlopowy :title czeka na zaakceptowanie",
+  "The vacation request :title from user: :requester is waiting for your approval.": "Wniosek urlopowy :title od użytkownika :requester czeka na Twoją akceptację.",
+  "Vacation request :title has been approved": "Wniosek urlopowy :title został zatwierdzony",
+  "The vacation request :title for user :requester has been approved.": "Wniosek urlopowy :title od użytkownika :requester został zatwierdzony.",
+  "Vacation request :title has been cancelled": "Wniosek urlopowy :title został anulowany",
+  "The vacation request :title for user :requester has been cancelled.": "Wniosek urlopowy :title  od użytkownika :requester został anulowany.",
+  "Vacation request :title has been rejected": "Wniosek urlopowy :title został odrzucony",
+  "The vacation request :title for user :requester has been rejected.": "Wniosek urlopowy :title od użytkownika :requester został odrzucony."
 }
diff --git a/resources/views/vendor/mail/html/themes/mail.css b/resources/views/vendor/mail/html/themes/mail.css
new file mode 100644
index 0000000..d2f67d3
--- /dev/null
+++ b/resources/views/vendor/mail/html/themes/mail.css
@@ -0,0 +1,286 @@
+/* Base */
+
+body, body *:not(html):not(style):not(br):not(tr):not(code) {
+    font-family: Avenir, Helvetica, sans-serif;
+    box-sizing: border-box;
+}
+
+body {
+    background-color: #f5f8fa;
+    color: #74787e;
+    height: 100%;
+    hyphens: auto;
+    line-height: 1.4;
+    margin: 0;
+    -moz-hyphens: auto;
+    -ms-word-break: break-all;
+    width: 100% !important;
+    -webkit-hyphens: auto;
+    -webkit-text-size-adjust: none;
+    word-break: break-all;
+    word-break: break-word;
+}
+
+p,
+ul,
+ol,
+blockquote {
+    line-height: 1.4;
+    text-align: left;
+}
+
+a {
+    color: #3c5f97;
+}
+
+a img {
+    border: none;
+}
+
+/* Typography */
+
+h1 {
+    color: #2F3133;
+    font-size: 19px;
+    font-weight: bold;
+    margin-top: 0;
+    text-align: left;
+}
+
+h2 {
+    color: #2F3133;
+    font-size: 16px;
+    font-weight: bold;
+    margin-top: 0;
+    text-align: left;
+}
+
+h3 {
+    color: #2F3133;
+    font-size: 14px;
+    font-weight: bold;
+    margin-top: 0;
+    text-align: left;
+}
+
+p {
+    color: #74787e;
+    font-size: 16px;
+    line-height: 1.5em;
+    margin-top: 0;
+    text-align: left;
+}
+
+p.sub {
+    font-size: 12px;
+}
+
+img {
+    max-width: 100%;
+}
+
+/* Layout */
+
+.wrapper {
+    background-color: #f5f8fa;
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.content {
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+/* Header */
+
+.header {
+    padding: 25px 0;
+    text-align: center;
+}
+
+.header a {
+    color: #3c5f97;
+    font-size: 19px;
+    font-weight: bold;
+    text-decoration: none;
+    text-shadow: 0 1px 0 #ffffff;
+}
+
+/* Body */
+
+.body {
+    background-color: #ffffff;
+    border-bottom: 1px solid #edeff2;
+    border-top: 1px solid #edeff2;
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.inner-body {
+    background-color: #ffffff;
+    margin: 0 auto;
+    padding: 0;
+    width: 570px;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 570px;
+}
+
+/* Subcopy */
+
+.subcopy {
+    border-top: 1px solid #edeff2;
+    margin-top: 25px;
+    padding-top: 25px;
+}
+
+.subcopy p {
+    font-size: 12px;
+}
+
+/* Footer */
+
+.footer {
+    margin: 0 auto;
+    padding: 0;
+    text-align: center;
+    width: 570px;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 570px;
+}
+
+.footer p {
+    color: #aeaeae;
+    font-size: 12px;
+    text-align: center;
+}
+
+/* Tables */
+
+.table table {
+    margin: 30px auto;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.table th {
+    color: #74787e;
+    border-bottom: 1px solid #edeff2;
+    padding-bottom: 8px;
+}
+
+.table td {
+    color: #74787e;
+    font-size: 15px;
+    line-height: 18px;
+    padding: 10px 0;
+}
+
+.content-cell {
+    padding: 35px;
+}
+
+/* Buttons */
+
+.action {
+    margin: 30px auto;
+    padding: 0;
+    text-align: center;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.button {
+    border-radius: 3px;
+    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.16);
+    color: #ffffff;
+    display: inline-block;
+    text-decoration: none;
+    -webkit-text-size-adjust: none;
+}
+
+.button-blue, .button-primary {
+    background-color: #3c5f97;
+    border-top: 10px solid #3c5f97;
+    border-right: 18px solid #3c5f97;
+    border-bottom: 10px solid #3c5f97;
+    border-left: 18px solid #3c5f97;
+}
+
+.button-green, .button-success {
+    background-color: #22c55e;
+    border-top: 10px solid #22c55e;
+    border-right: 18px solid #22c55e;
+    border-bottom: 10px solid #22c55e;
+    border-left: 18px solid #22c55e;
+}
+
+.button-red, .button-error {
+    background-color: #ef4444;
+    border-top: 10px solid #ef4444;
+    border-right: 18px solid #ef4444;
+    border-bottom: 10px solid #ef4444;
+    border-left: 18px solid #ef4444;
+}
+
+/* Panels */
+
+.panel {
+    margin: 0 0 21px;
+}
+
+.panel-content {
+    background-color: #edeff2;
+    padding: 16px;
+}
+
+.panel-item {
+    padding: 0;
+}
+
+.panel-item p:last-of-type {
+    margin-bottom: 0;
+    padding-bottom: 0;
+}
+
+/* Promotions */
+
+.promotion {
+    background-color: #FFFFFF;
+    border: 2px dashed #9BA2AB;
+    margin: 0;
+    margin-bottom: 25px;
+    margin-top: 25px;
+    padding: 24px;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.promotion h1 {
+    text-align: center;
+}
+
+.promotion p {
+    font-size: 15px;
+    text-align: center;
+}
diff --git a/tests/Feature/VacationRequestTest.php b/tests/Feature/VacationRequestTest.php
index 0841d1e..95c9c79 100644
--- a/tests/Feature/VacationRequestTest.php
+++ b/tests/Feature/VacationRequestTest.php
@@ -6,17 +6,19 @@ namespace Tests\Feature;
 
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Support\Carbon;
-use Illuminate\Support\Facades\Bus;
+use Illuminate\Support\Facades\Event;
 use Inertia\Testing\AssertableInertia as Assert;
 use Tests\FeatureTestCase;
 use Toby\Domain\Enums\VacationRequestState;
 use Toby\Domain\Enums\VacationType;
+use Toby\Domain\Events\VacationRequestAcceptedByAdministrative;
+use Toby\Domain\Events\VacationRequestAcceptedByTechnical;
+use Toby\Domain\Events\VacationRequestRejected;
 use Toby\Domain\PolishHolidaysRetriever;
 use Toby\Eloquent\Models\User;
 use Toby\Eloquent\Models\VacationLimit;
 use Toby\Eloquent\Models\VacationRequest;
 use Toby\Eloquent\Models\YearPeriod;
-use Toby\Infrastructure\Jobs\SendVacationRequestDaysToGoogleCalendar;
 
 class VacationRequestTest extends FeatureTestCase
 {
@@ -28,8 +30,6 @@ class VacationRequestTest extends FeatureTestCase
     {
         parent::setUp();
 
-        Bus::fake();
-
         $this->polishHolidaysRetriever = $this->app->make(PolishHolidaysRetriever::class);
     }
 
@@ -90,6 +90,8 @@ class VacationRequestTest extends FeatureTestCase
 
     public function testTechnicalApproverCanApproveVacationRequest(): void
     {
+        Event::fake(VacationRequestAcceptedByTechnical::class);
+
         $user = User::factory()->createQuietly();
         $technicalApprover = User::factory()->createQuietly();
         $currentYearPeriod = YearPeriod::current();
@@ -106,13 +108,13 @@ class VacationRequestTest extends FeatureTestCase
             ->post("/vacation-requests/{$vacationRequest->id}/accept-as-technical")
             ->assertSessionHasNoErrors();
 
-        $this->assertDatabaseHas("vacation_requests", [
-            "state" => VacationRequestState::WaitingForAdministrative,
-        ]);
+        Event::assertDispatched(VacationRequestAcceptedByTechnical::class);
     }
 
     public function testAdministrativeApproverCanApproveVacationRequest(): void
     {
+        Event::fake(VacationRequestAcceptedByAdministrative::class);
+
         $user = User::factory()->createQuietly();
         $administrativeApprover = User::factory()->createQuietly();
 
@@ -129,20 +131,18 @@ class VacationRequestTest extends FeatureTestCase
             ->post("/vacation-requests/{$vacationRequest->id}/accept-as-administrative")
             ->assertSessionHasNoErrors();
 
-        $this->assertDatabaseHas("vacation_requests", [
-            "state" => VacationRequestState::Approved,
-        ]);
-
-        Bus::assertDispatched(SendVacationRequestDaysToGoogleCalendar::class);
+        Event::assertDispatched(VacationRequestAcceptedByAdministrative::class);
     }
 
     public function testTechnicalApproverCanRejectVacationRequest(): void
     {
+        Event::fake(VacationRequestRejected::class);
+
         $user = User::factory()->createQuietly();
         $technicalApprover = User::factory()->createQuietly();
         $currentYearPeriod = YearPeriod::current();
 
-        $vacationLimit = VacationLimit::factory([
+        VacationLimit::factory([
             "days" => 20,
         ])
             ->for($user)
@@ -161,9 +161,7 @@ class VacationRequestTest extends FeatureTestCase
             ->post("/vacation-requests/{$vacationRequest->id}/reject")
             ->assertSessionHasNoErrors();
 
-        $this->assertDatabaseHas("vacation_requests", [
-            "state" => VacationRequestState::Rejected,
-        ]);
+        Event::assertDispatched(VacationRequestRejected::class);
     }
 
     public function testUserCannotCreateVacationRequestIfHeExceedsHisVacationLimit(): void
diff --git a/tests/Unit/VacationRequestNotificationTest.php b/tests/Unit/VacationRequestNotificationTest.php
new file mode 100644
index 0000000..b6e693f
--- /dev/null
+++ b/tests/Unit/VacationRequestNotificationTest.php
@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit;
+
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Notification;
+use Tests\TestCase;
+use Tests\Traits\InteractsWithYearPeriods;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Enums\VacationRequestState;
+use Toby\Domain\Enums\VacationType;
+use Toby\Domain\Notifications\VacationRequestWaitsForTechApprovalNotification;
+use Toby\Domain\VacationRequestStateManager;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+use Toby\Eloquent\Models\YearPeriod;
+
+class VacationRequestNotificationTest extends TestCase
+{
+    use DatabaseMigrations;
+    use InteractsWithYearPeriods;
+
+    protected VacationRequestStateManager $stateManager;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->stateManager = $this->app->make(VacationRequestStateManager::class);
+
+        $this->createCurrentYearPeriod();
+    }
+
+    public function testAfterChangingVacationRequestStateNotificationAreSentToUsers(): void
+    {
+        Notification::fake();
+
+        $user = User::factory([
+            "role" => Role::Employee,
+        ])->createQuietly();
+        $technicalApprover = User::factory([
+            "role" => Role::TechnicalApprover,
+        ])->createQuietly();
+        $administrativeApprover = User::factory([
+            "role" => Role::AdministrativeApprover,
+        ])->createQuietly();
+
+        $currentYearPeriod = YearPeriod::current();
+
+        /** @var VacationRequest $vacationRequest */
+        $vacationRequest = VacationRequest::factory([
+            "type" => VacationType::Vacation->value,
+            "state" => VacationRequestState::Created,
+            "from" => Carbon::create($currentYearPeriod->year, 2, 1)->toDateString(),
+            "to" => Carbon::create($currentYearPeriod->year, 2, 4)->toDateString(),
+            "comment" => "Comment for the vacation request.",
+        ])
+            ->for($user)
+            ->for($currentYearPeriod)
+            ->create();
+
+        $this->stateManager->waitForTechnical($vacationRequest);
+
+        Notification::assertSentTo($technicalApprover, VacationRequestWaitsForTechApprovalNotification::class);
+        Notification::assertNotSentTo([$user, $administrativeApprover], VacationRequestWaitsForTechApprovalNotification::class);
+    }
+}