diff --git a/aiogram/client/session/aiohttp.py b/aiogram/client/session/aiohttp.py
index 1f31ee97..7ead6133 100644
--- a/aiogram/client/session/aiohttp.py
+++ b/aiogram/client/session/aiohttp.py
@@ -128,6 +128,8 @@ class AiohttpSession(BaseSession):
     def build_form_data(self, request: Request) -> FormData:
         form = FormData(quote_fields=False)
         for key, value in request.data.items():
+            if request.method == "createForumTopic":
+                print(key, self.prepare_value(value))
             if value is None or value is UNSET:
                 continue
             form.add_field(key, self.prepare_value(value))
diff --git a/aiogram/client/session/base.py b/aiogram/client/session/base.py
index 6fa25dd5..0e74d700 100644
--- a/aiogram/client/session/base.py
+++ b/aiogram/client/session/base.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 import abc
 import datetime
 import json
+from enum import Enum
 from http import HTTPStatus
 from types import TracebackType
 from typing import TYPE_CHECKING, Any, AsyncGenerator, Callable, Final, Optional, Type, Union, cast
@@ -162,6 +163,8 @@ class BaseSession(abc.ABC):
             return str(round((now + value).timestamp()))
         if isinstance(value, datetime.datetime):
             return str(round(value.timestamp()))
+        if isinstance(value, Enum):
+            return self.prepare_value(value.value)
         else:
             return str(value)
 
diff --git a/aiogram/enums/__init__.py b/aiogram/enums/__init__.py
new file mode 100644
index 00000000..6b12bdec
--- /dev/null
+++ b/aiogram/enums/__init__.py
@@ -0,0 +1,13 @@
+from .chat_type import ChatType
+from .content_type import ContentType
+from .dice_emoji import DiceEmoji
+from .topic_icon_color import TopicIconColor
+from .update_type import UpdateType
+
+__all__ = (
+    "ChatType",
+    "DiceEmoji",
+    "TopicIconColor",
+    "UpdateType",
+    "ContentType",
+)
diff --git a/aiogram/enums/chat_type.py b/aiogram/enums/chat_type.py
new file mode 100644
index 00000000..d2e9794b
--- /dev/null
+++ b/aiogram/enums/chat_type.py
@@ -0,0 +1,12 @@
+from enum import Enum
+
+
+class ChatType(str, Enum):
+    """
+    Type of chat
+    """
+
+    PRIVATE = "private"
+    GROUP = "group"
+    SUPERGROUP = "supergroup"
+    CHANNEL = "channel"
diff --git a/aiogram/enums/content_type.py b/aiogram/enums/content_type.py
new file mode 100644
index 00000000..d3d0de28
--- /dev/null
+++ b/aiogram/enums/content_type.py
@@ -0,0 +1,50 @@
+from enum import Enum
+
+
+class ContentType(str, Enum):
+    """
+    Message content type
+    """
+
+    UNKNOWN = "unknown"
+    ANY = "any"
+    TEXT = "text"
+    ANIMATION = "animation"
+    AUDIO = "audio"
+    DOCUMENT = "document"
+    PHOTO = "photo"
+    STICKER = "sticker"
+    VIDEO = "video"
+    VIDEO_NOTE = "video_note"
+    VOICE = "voice"
+    CONTACT = "contact"
+    DICE = "dice"
+    GAME = "game"
+    POLL = "poll"
+    VENUE = "venue"
+    LOCATION = "location"
+    NEW_CHAT_MEMBERS = "new_chat_members"
+    LEFT_CHAT_MEMBER = "left_chat_member"
+    NEW_CHAT_TITLE = "new_chat_title"
+    NEW_CHAT_PHOTO = "new_chat_photo"
+    DELETE_CHAT_PHOTO = "delete_chat_photo"
+    GROUP_CHAT_CREATED = "group_chat_created"
+    SUPERGROUP_CHAT_CREATED = "supergroup_chat_created"
+    CHANNEL_CHAT_CREATED = "channel_chat_created"
+    MESSAGE_AUTO_DELETE_TIMER_CHANGED = "message_auto_delete_timer_changed"
+    MIGRATE_TO_CHAT_ID = "migrate_to_chat_id"
+    MIGRATE_FROM_CHAT_ID = "migrate_from_chat_id"
+    PINNED_MESSAGE = "pinned_message"
+    INVOICE = "invoice"
+    SUCCESSFUL_PAYMENT = "successful_payment"
+    CONNECTED_WEBSITE = "connected_website"
+    PASSPORT_DATA = "passport_data"
+    PROXIMITY_ALERT_TRIGGERED = "proximity_alert_triggered"
+    FORUM_TOPIC_CREATED = "forum_topic_created"
+    FORUM_TOPIC_CLOSED = "forum_topic_closed"
+    FORUM_TOPIC_REOPENED = "forum_topic_reopened"
+    VIDEO_CHAT_SCHEDULED = "video_chat_scheduled"
+    VIDEO_CHAT_STARTED = "video_chat_started"
+    VIDEO_CHAT_ENDED = "video_chat_ended"
+    VIDEO_CHAT_PARTICIPANTS_INVITED = "video_chat_participants_invited"
+    WEB_APP_DATA = "web_app_data"
diff --git a/aiogram/enums/dice_emoji.py b/aiogram/enums/dice_emoji.py
new file mode 100644
index 00000000..b9514cb0
--- /dev/null
+++ b/aiogram/enums/dice_emoji.py
@@ -0,0 +1,14 @@
+from enum import Enum
+
+
+class DiceEmoji(str, Enum):
+    """
+    Emoji on which the dice throw animation is based
+    """
+
+    DICE = "🎲"
+    DART = "🎯"
+    BASKETBALL = "🏀"
+    FOOTBALL = "⚽"
+    SLOT_MACHINE = "🎰"
+    BOWLING = "🎳"
diff --git a/aiogram/enums/topic_icon_color.py b/aiogram/enums/topic_icon_color.py
new file mode 100644
index 00000000..f40ee71f
--- /dev/null
+++ b/aiogram/enums/topic_icon_color.py
@@ -0,0 +1,16 @@
+from enum import Enum
+
+
+class TopicIconColor(int, Enum):
+    """
+    Color of the topic icon in RGB format.
+
+    Source: https://github.com/telegramdesktop/tdesktop/blob/991fe491c5ae62705d77aa8fdd44a79caf639c45/Telegram/SourceFiles/data/data_forum_topic.cpp#L51-L56
+    """
+
+    BLUE = 0x6FB9F0
+    YELLOW = 0xFFD67E
+    VIOLET = 0xCB86DB
+    GREEN = 0x8EEE98
+    ROSE = 0xFF93B2
+    RED = 0xFB6F5F
diff --git a/aiogram/enums/update_type.py b/aiogram/enums/update_type.py
new file mode 100644
index 00000000..aaf0b970
--- /dev/null
+++ b/aiogram/enums/update_type.py
@@ -0,0 +1,22 @@
+from enum import Enum
+
+
+class UpdateType(str, Enum):
+    """
+    Known update types
+    """
+
+    MESSAGE = "message"
+    EDITED_MESSAGE = "edited_message"
+    CHANNEL_POST = "channel_post"
+    EDITED_CHANNEL_POST = "edited_channel_post"
+    INLINE_QUERY = "inline_query"
+    CHOSEN_INLINE_RESULT = "chosen_inline_result"
+    CALLBACK_QUERY = "callback_query"
+    SHIPPING_QUERY = "shipping_query"
+    PRE_CHECKOUT_QUERY = "pre_checkout_query"
+    POLL = "poll"
+    POLL_ANSWER = "poll_answer"
+    MY_CHAT_MEMBER = "my_chat_member"
+    CHAT_MEMBER = "chat_member"
+    CHAT_JOIN_REQUEST = "chat_join_request"