diff --git a/pybotx/__init__.py b/pybotx/__init__.py
index 456feb01..6dc75987 100644
--- a/pybotx/__init__.py
+++ b/pybotx/__init__.py
@@ -144,6 +144,7 @@
 from pybotx.models.system_events.cts_login import CTSLoginEvent
 from pybotx.models.system_events.cts_logout import CTSLogoutEvent
 from pybotx.models.system_events.deleted_from_chat import DeletedFromChatEvent
+from pybotx.models.system_events.event_delete import EventDeleted
 from pybotx.models.system_events.event_edit import EventEdit
 from pybotx.models.system_events.internal_bot_notification import (
     InternalBotNotificationEvent,
@@ -206,6 +207,7 @@
     "DeletedFromChatEvent",
     "Document",
     "EditMessage",
+    "EventDeleted",
     "EventEdit",
     "EventNotFoundError",
     "File",
diff --git a/pybotx/bot/bot.py b/pybotx/bot/bot.py
index 887a0ee7..bedb7490 100644
--- a/pybotx/bot/bot.py
+++ b/pybotx/bot/bot.py
@@ -3,15 +3,7 @@
 from contextlib import asynccontextmanager
 from datetime import datetime
 from types import SimpleNamespace
-from typing import (
-    Any,
-    Dict,
-    List,
-    Optional,
-    Set,
-    Tuple,
-    Union,
-)
+from typing import Any, Dict, List, Optional, Set, Tuple, Union
 from uuid import UUID
 
 import aiofiles
diff --git a/pybotx/bot/handler.py b/pybotx/bot/handler.py
index a4933e31..a26efab2 100644
--- a/pybotx/bot/handler.py
+++ b/pybotx/bot/handler.py
@@ -1,14 +1,6 @@
 from dataclasses import dataclass
 from functools import partial
-from typing import (
-    TYPE_CHECKING,
-    Awaitable,
-    Callable,
-    List,
-    Literal,
-    TypeVar,
-    Union,
-)
+from typing import TYPE_CHECKING, Awaitable, Callable, List, Literal, TypeVar, Union
 
 from pybotx.models.commands import BotCommand
 from pybotx.models.message.incoming_message import IncomingMessage
@@ -23,6 +15,7 @@
 from pybotx.models.system_events.cts_login import CTSLoginEvent
 from pybotx.models.system_events.cts_logout import CTSLogoutEvent
 from pybotx.models.system_events.deleted_from_chat import DeletedFromChatEvent
+from pybotx.models.system_events.event_delete import EventDeleted
 from pybotx.models.system_events.event_edit import EventEdit
 from pybotx.models.system_events.internal_bot_notification import (
     InternalBotNotificationEvent,
@@ -53,6 +46,7 @@
     HandlerFunc[CTSLogoutEvent],
     HandlerFunc[InternalBotNotificationEvent],
     HandlerFunc[SmartAppEvent],
+    HandlerFunc[EventDeleted],
     HandlerFunc[EventEdit],
     HandlerFunc[JoinToChatEvent],
     HandlerFunc[ConferenceChangedEvent],
diff --git a/pybotx/bot/handler_collector.py b/pybotx/bot/handler_collector.py
index 3d07d146..8d7abd99 100644
--- a/pybotx/bot/handler_collector.py
+++ b/pybotx/bot/handler_collector.py
@@ -48,6 +48,7 @@
 from pybotx.models.system_events.cts_login import CTSLoginEvent
 from pybotx.models.system_events.cts_logout import CTSLogoutEvent
 from pybotx.models.system_events.deleted_from_chat import DeletedFromChatEvent
+from pybotx.models.system_events.event_delete import EventDeleted
 from pybotx.models.system_events.event_edit import EventEdit
 from pybotx.models.system_events.internal_bot_notification import (
     InternalBotNotificationEvent,
@@ -316,6 +317,14 @@ def event_edit(
         self._system_event(EventEdit, handler_func)
         return handler_func
 
+    def event_deleted(
+        self,
+        handler_func: HandlerFunc[EventDeleted],
+    ) -> HandlerFunc[EventDeleted]:
+        """Decorate `event deleted` event handler."""
+        self._system_event(EventDeleted, handler_func)
+        return handler_func
+
     def conference_changed(
         self,
         handler_func: HandlerFunc[ConferenceChangedEvent],
diff --git a/pybotx/models/commands.py b/pybotx/models/commands.py
index 5f4e21f3..f19f9038 100644
--- a/pybotx/models/commands.py
+++ b/pybotx/models/commands.py
@@ -31,6 +31,7 @@
     BotAPIDeletedFromChat,
     DeletedFromChatEvent,
 )
+from pybotx.models.system_events.event_delete import BotAPIEventDeleted, EventDeleted
 from pybotx.models.system_events.event_edit import BotAPIEventEdit, EventEdit
 from pybotx.models.system_events.internal_bot_notification import (
     BotAPIInternalBotNotification,
@@ -60,6 +61,7 @@
     BotAPILeftFromChat,
     BotAPICTSLogin,
     BotAPICTSLogout,
+    BotAPIEventDeleted,
     BotAPIEventEdit,
     BotAPIJoinToChat,
     BotAPIConferenceChanged,
@@ -79,6 +81,7 @@
     LeftFromChatEvent,
     CTSLoginEvent,
     CTSLogoutEvent,
+    EventDeleted,
     EventEdit,
     JoinToChatEvent,
     ConferenceChangedEvent,
diff --git a/pybotx/models/enums.py b/pybotx/models/enums.py
index d56f61d7..fac1f0ea 100644
--- a/pybotx/models/enums.py
+++ b/pybotx/models/enums.py
@@ -111,6 +111,7 @@ class BotAPISystemEventTypes(StrEnum):
     INTERNAL_BOT_NOTIFICATION = "system:internal_bot_notification"
     LEFT_FROM_CHAT = "system:left_from_chat"
     SMARTAPP_EVENT = "system:smartapp_event"
+    EVENT_DELETED = "system:event_deleted"
     EVENT_EDIT = "system:event_edit"
     JOIN_TO_CHAT = "system:user_joined_to_chat"
     CONFERENCE_CHANGED = "system:conference_changed"
diff --git a/pybotx/models/system_events/event_delete.py b/pybotx/models/system_events/event_delete.py
new file mode 100644
index 00000000..cd0311d3
--- /dev/null
+++ b/pybotx/models/system_events/event_delete.py
@@ -0,0 +1,63 @@
+from dataclasses import dataclass
+from datetime import datetime
+from typing import Any, Dict, List, Literal, Optional
+from uuid import UUID
+
+from pydantic import Field
+
+from pybotx.models.api_base import VerifiedPayloadBaseModel
+from pybotx.models.base_command import (
+    BaseBotAPIContext,
+    BotAPIBaseCommand,
+    BotAPIBaseSystemEventPayload,
+    BotCommandBase,
+)
+from pybotx.models.bot_account import BotAccount
+from pybotx.models.enums import BotAPISystemEventTypes
+
+
+@dataclass
+class EventDeleted(BotCommandBase):
+    """Event `system:event_deleted`.
+
+    Attributes:
+        deleted_at: Delete message date and time.
+        group_chat_id: Delete message group chat id.
+        meta: Delete message meta.
+        sync_ids: Delete message sync ids.
+    """
+
+    deleted_at: datetime
+    group_chat_id: UUID
+    sync_ids: List[UUID]
+    meta: Optional[Dict[str, Any]]
+
+
+class BotAPIEventDeletedData(VerifiedPayloadBaseModel):
+    deleted_at: datetime
+    group_chat_id: UUID
+    sync_ids: List[UUID]
+    meta: Optional[Dict[str, Any]]
+
+
+class BotAPIEventDeletedPayload(BotAPIBaseSystemEventPayload):
+    body: Literal[BotAPISystemEventTypes.EVENT_DELETED]
+    data: BotAPIEventDeletedData
+
+
+class BotAPIEventDeleted(BotAPIBaseCommand):
+    payload: BotAPIEventDeletedPayload = Field(..., alias="command")
+    bot: BaseBotAPIContext = Field(..., alias="from")
+
+    def to_domain(self, raw_command: Dict[str, Any]) -> EventDeleted:
+        return EventDeleted(
+            bot=BotAccount(
+                id=self.bot_id,
+                host=self.bot.host,
+            ),
+            raw_command=raw_command,
+            deleted_at=self.payload.data.deleted_at,
+            group_chat_id=self.payload.data.group_chat_id,
+            meta=self.payload.data.meta,
+            sync_ids=self.payload.data.sync_ids,
+        )
diff --git a/pyproject.toml b/pyproject.toml
index bfdfe41e..a3e0b04a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pybotx"
-version = "0.75.2"
+version = "0.75.3"
 description = "A python library for interacting with eXpress BotX API"
 authors = [
     "Sidnev Nikolay <nsidnev@ccsteam.ru>",
diff --git a/tests/system_events/factories.py b/tests/system_events/factories.py
index 264874da..c508b407 100644
--- a/tests/system_events/factories.py
+++ b/tests/system_events/factories.py
@@ -77,3 +77,13 @@ class ConferenceChangedDataFactory(DictFactory):
     operation = "change_conference_info"
     sip_number = 12345678
     start_at = "2025-04-15T11:00:39.634000Z"
+
+
+class DeleteEventFactory(DictFactory):
+    deleted_at = "2025-09-23T09:04:49.787078Z"
+    group_chat_id = "30dc1980-643a-00ad-37fc-7cc10d74e935"
+    meta = {
+        "deleted_by": "fbc84c63-e432-4ff1-99bd-c3275f053866",
+        "deleted_by_admin": True,
+    }
+    sync_ids = ["36c4f12a-7082-599a-9842-cd146730e179"]
diff --git a/tests/system_events/test_event_delete.py b/tests/system_events/test_event_delete.py
new file mode 100644
index 00000000..6405f5da
--- /dev/null
+++ b/tests/system_events/test_event_delete.py
@@ -0,0 +1,72 @@
+from datetime import datetime
+from typing import Any, Callable, Dict, Optional
+from uuid import UUID
+
+import pytest
+from deepdiff import DeepDiff
+
+from pybotx import (
+    Bot,
+    BotAccount,
+    BotAccountWithSecret,
+    EventDeleted,
+    HandlerCollector,
+    lifespan_wrapper,
+)
+from tests.system_events.factories import DeleteEventFactory
+
+pytestmark = [
+    pytest.mark.asyncio,
+    pytest.mark.mock_authorization,
+    pytest.mark.usefixtures("respx_mock"),
+]
+
+
+async def test__event_delete__succeed(
+    bot_account: BotAccountWithSecret,
+    bot_id: UUID,
+    host: str,
+    datetime_formatter: Callable[[str], datetime],
+    api_incoming_message_factory: Callable[..., Dict[str, Any]],
+) -> None:
+    # - Arrange -
+    event_deleted_data = DeleteEventFactory.create()
+
+    payload = api_incoming_message_factory(
+        body="system:event_deleted",
+        command_type="system",
+        data=event_deleted_data,
+        bot_id=bot_id,
+        host=host,
+    )
+
+    collector = HandlerCollector()
+    event_deleted: Optional[EventDeleted] = None
+
+    @collector.event_deleted
+    async def event_deleted_handler(event: EventDeleted, _: Bot) -> None:
+        nonlocal event_deleted
+        event_deleted = event
+        # Drop `raw_command` from asserting
+        event_deleted.raw_command = None
+
+    built_bot = Bot(collectors=[collector], bot_accounts=[bot_account])
+
+    # - Act -
+    async with lifespan_wrapper(built_bot) as bot:
+        bot.async_execute_raw_bot_command(payload, verify_request=False)
+
+    # - Assert -
+    diff = DeepDiff(
+        event_deleted,
+        EventDeleted(
+            bot=BotAccount(id=bot_id, host=host),
+            raw_command=None,
+            deleted_at=datetime_formatter(event_deleted_data["deleted_at"]),
+            meta=event_deleted_data["meta"],
+            group_chat_id=UUID(event_deleted_data["group_chat_id"]),
+            sync_ids=[UUID(uuid_str) for uuid_str in event_deleted_data["sync_ids"]],
+        ),
+    )
+
+    assert diff == {}, diff