diff --git a/packages/backend/src/core/entities/NoteEntityService.ts b/packages/backend/src/core/entities/NoteEntityService.ts
index 26debd6adc..ed93c7b146 100644
--- a/packages/backend/src/core/entities/NoteEntityService.ts
+++ b/packages/backend/src/core/entities/NoteEntityService.ts
@@ -9,7 +9,7 @@ import { awaitAll } from '@/misc/prelude/await-all.js';
 import type { User } from '@/models/entities/User.js';
 import type { Note } from '@/models/entities/Note.js';
 import type { NoteReaction } from '@/models/entities/NoteReaction.js';
-import type { UsersRepository, NotesRepository, FollowingsRepository, PollsRepository, PollVotesRepository, NoteReactionsRepository, ChannelsRepository, DriveFilesRepository } from '@/models/index.js';
+import type { UsersRepository, NotesRepository, FollowingsRepository, PollsRepository, PollVotesRepository, NoteReactionsRepository, ChannelsRepository, DriveFilesRepository, EventsRepository } from '@/models/index.js';
 import { bindThis } from '@/decorators.js';
 import { isNotNull } from '@/misc/is-not-null.js';
 import type { OnModuleInit } from '@nestjs/common';
@@ -43,6 +43,9 @@ export class NoteEntityService implements OnModuleInit {
 		@Inject(DI.pollsRepository)
 		private pollsRepository: PollsRepository,
 
+		@Inject(DI.eventsRepository)
+		private eventsRepository: EventsRepository,
+
 		@Inject(DI.pollVotesRepository)
 		private pollVotesRepository: PollVotesRepository,
 
@@ -169,6 +172,17 @@ export class NoteEntityService implements OnModuleInit {
 		};
 	}
 
+	@bindThis
+	private async populateEvent(note: Note) {
+		const event = await this.eventsRepository.findOneByOrFail({ noteId: note.id });
+		return {
+			title: event.title,
+			start: event.start,
+			end: event.end,
+			metadata: event.metadata,
+		};
+	}
+
 	@bindThis
 	private async populateMyReaction(note: Note, meId: User['id'], _hint_?: {
 		myReactions: Map<Note['id'], NoteReaction | null>;
@@ -352,6 +366,7 @@ export class NoteEntityService implements OnModuleInit {
 				}) : undefined,
 
 				poll: note.hasPoll ? this.populatePoll(note, meId) : undefined,
+				event: note.hasEvent ? this.populateEvent(note) : undefined,
 
 				...(meId ? {
 					myReaction: this.populateMyReaction(note, meId, options?._hint_),
diff --git a/packages/backend/src/di-symbols.ts b/packages/backend/src/di-symbols.ts
index d4b1fb31b1..44cb1a4121 100644
--- a/packages/backend/src/di-symbols.ts
+++ b/packages/backend/src/di-symbols.ts
@@ -32,6 +32,7 @@ export const DI = {
 	followRequestsRepository: Symbol('followRequestsRepository'),
 	instancesRepository: Symbol('instancesRepository'),
 	emojisRepository: Symbol('emojisRepository'),
+	eventsRepository: Symbol('eventsRepository'),
 	driveFilesRepository: Symbol('driveFilesRepository'),
 	driveFoldersRepository: Symbol('driveFoldersRepository'),
 	metasRepository: Symbol('metasRepository'),
diff --git a/packages/backend/src/models/RepositoryModule.ts b/packages/backend/src/models/RepositoryModule.ts
index 7be7b81904..7d2655f499 100644
--- a/packages/backend/src/models/RepositoryModule.ts
+++ b/packages/backend/src/models/RepositoryModule.ts
@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import { User, Note, Announcement, AnnouncementRead, App, NoteFavorite, NoteThreadMuting, NoteReaction, NoteUnread, Poll, PollVote, UserProfile, UserKeypair, UserPending, AttestationChallenge, UserSecurityKey, UserPublickey, UserList, UserListJoining, UserNotePining, UserIp, UsedUsername, Following, FollowRequest, Instance, Emoji, DriveFile, DriveFolder, Meta, Muting, RenoteMuting, Blocking, SwSubscription, Hashtag, AbuseUserReport, RegistrationTicket, AuthSession, AccessToken, Signin, Page, PageLike, GalleryPost, GalleryLike, ModerationLog, Clip, ClipNote, Antenna, PromoNote, PromoRead, Relay, MutedNote, Channel, ChannelFollowing, ChannelFavorite, RegistryItem, Webhook, Ad, PasswordResetRequest, RetentionAggregation, FlashLike, Flash, Role, RoleAssignment, ClipFavorite } from './index.js';
+import { User, Note, Announcement, AnnouncementRead, App, NoteFavorite, NoteThreadMuting, NoteReaction, NoteUnread, Poll, PollVote, UserProfile, UserKeypair, UserPending, AttestationChallenge, UserSecurityKey, UserPublickey, UserList, UserListJoining, UserNotePining, UserIp, UsedUsername, Following, FollowRequest, Instance, Emoji, Event, DriveFile, DriveFolder, Meta, Muting, RenoteMuting, Blocking, SwSubscription, Hashtag, AbuseUserReport, RegistrationTicket, AuthSession, AccessToken, Signin, Page, PageLike, GalleryPost, GalleryLike, ModerationLog, Clip, ClipNote, Antenna, PromoNote, PromoRead, Relay, MutedNote, Channel, ChannelFollowing, ChannelFavorite, RegistryItem, Webhook, Ad, PasswordResetRequest, RetentionAggregation, FlashLike, Flash, Role, RoleAssignment, ClipFavorite } from './index.js';
 import type { DataSource } from 'typeorm';
 import type { Provider } from '@nestjs/common';
 
@@ -160,6 +160,12 @@ const $emojisRepository: Provider = {
 	inject: [DI.db],
 };
 
+const $eventsRepository: Provider = {
+	provide: DI.eventsRepository,
+	useFactory: (db: DataSource) => db.getRepository(Event),
+	inject: [DI.db],
+};
+
 const $driveFilesRepository: Provider = {
 	provide: DI.driveFilesRepository,
 	useFactory: (db: DataSource) => db.getRepository(DriveFile),
@@ -418,6 +424,7 @@ const $roleAssignmentsRepository: Provider = {
 		$followRequestsRepository,
 		$instancesRepository,
 		$emojisRepository,
+		$eventsRepository,
 		$driveFilesRepository,
 		$driveFoldersRepository,
 		$metasRepository,
@@ -484,6 +491,7 @@ const $roleAssignmentsRepository: Provider = {
 		$followRequestsRepository,
 		$instancesRepository,
 		$emojisRepository,
+		$eventsRepository,
 		$driveFilesRepository,
 		$driveFoldersRepository,
 		$metasRepository,
diff --git a/packages/backend/src/models/index.ts b/packages/backend/src/models/index.ts
index 48d6e15f2a..bd60d4e576 100644
--- a/packages/backend/src/models/index.ts
+++ b/packages/backend/src/models/index.ts
@@ -16,6 +16,7 @@ import { ClipFavorite } from '@/models/entities/ClipFavorite.js';
 import { DriveFile } from '@/models/entities/DriveFile.js';
 import { DriveFolder } from '@/models/entities/DriveFolder.js';
 import { Emoji } from '@/models/entities/Emoji.js';
+import { Event } from '@/models/entities/Event.js';
 import { Following } from '@/models/entities/Following.js';
 import { FollowRequest } from '@/models/entities/FollowRequest.js';
 import { GalleryLike } from '@/models/entities/GalleryLike.js';
@@ -83,6 +84,7 @@ export {
 	DriveFile,
 	DriveFolder,
 	Emoji,
+	Event,
 	Following,
 	FollowRequest,
 	GalleryLike,
@@ -149,6 +151,7 @@ export type ClipFavoritesRepository = Repository<ClipFavorite>;
 export type DriveFilesRepository = Repository<DriveFile>;
 export type DriveFoldersRepository = Repository<DriveFolder>;
 export type EmojisRepository = Repository<Emoji>;
+export type EventsRepository = Repository<Event>;
 export type FollowingsRepository = Repository<Following>;
 export type FollowRequestsRepository = Repository<FollowRequest>;
 export type GalleryLikesRepository = Repository<GalleryLike>;