diff --git a/locales/index.d.ts b/locales/index.d.ts
index 66ee7619a0..ad380c0ce7 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -1101,6 +1101,8 @@ export interface Locale {
     "dialog": string;
     "icon": string;
     "forYou": string;
+    "currentAnnouncements": string;
+    "pastAnnouncements": string;
     "_announcement": {
         "forExistingUsers": string;
         "forExistingUsersDescription": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index b4bbc0e00f..1a7731e483 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1098,6 +1098,8 @@ iHaveReadXCarefullyAndAgree: "「{x}」の内容をよく読み、同意しま
 dialog: "ダイアログ"
 icon: "アイコン"
 forYou: "あなたへ"
+currentAnnouncements: "現在のお知らせ"
+pastAnnouncements: "過去のお知らせ"
 
 _announcement:
   forExistingUsers: "既存ユーザーのみ"
diff --git a/packages/backend/src/server/api/endpoints/announcements.ts b/packages/backend/src/server/api/endpoints/announcements.ts
index 3b537b83e1..070e6f0d77 100644
--- a/packages/backend/src/server/api/endpoints/announcements.ts
+++ b/packages/backend/src/server/api/endpoints/announcements.ts
@@ -33,6 +33,7 @@ export const paramDef = {
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		sinceId: { type: 'string', format: 'misskey:id' },
 		untilId: { type: 'string', format: 'misskey:id' },
+		isActive: { type: 'boolean', default: true },
 	},
 	required: [],
 } as const;
@@ -52,7 +53,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 	) {
 		super(meta, paramDef, async (ps, me) => {
 			const query = this.queryService.makePaginationQuery(this.announcementsRepository.createQueryBuilder('announcement'), ps.sinceId, ps.untilId)
-				.where('announcement.isActive = true')
+				.where('announcement.isActive = :isActive', { isActive: ps.isActive })
 				.andWhere(new Brackets(qb => {
 					if (me) qb.orWhere('announcement.userId = :meId', { meId: me.id });
 					qb.orWhere('announcement.userId IS NULL');
diff --git a/packages/frontend/src/components/MkSwitch.vue b/packages/frontend/src/components/MkSwitch.vue
index 96e2bad49f..8e946e7437 100644
--- a/packages/frontend/src/components/MkSwitch.vue
+++ b/packages/frontend/src/components/MkSwitch.vue
@@ -12,10 +12,15 @@ SPDX-License-Identifier: AGPL-3.0-only
 		:class="$style.input"
 		@keydown.enter="toggle"
 	>
-	<XButton :checked="checked" :disabled="disabled" @toggle="toggle" />
+	<XButton :checked="checked" :disabled="disabled" @toggle="toggle"/>
 	<span :class="$style.body">
 		<!-- TODO: 無名slotの方は廃止 -->
-		<span :class="$style.label" @click="toggle"><slot name="label"></slot><slot></slot></span>
+		<span :class="$style.label">
+			<span @click="toggle">
+				<slot name="label"></slot><slot></slot>
+			</span>
+			<span v-if="helpText" v-tooltip:dialog="helpText" class="_button _help" :class="$style.help"><i class="ti ti-help-circle"></i></span>
+		</span>
 		<p :class="$style.caption"><slot name="caption"></slot></p>
 	</span>
 </div>
@@ -28,6 +33,7 @@ import XButton from '@/components/MkSwitch.button.vue';
 const props = defineProps<{
 	modelValue: boolean | Ref<boolean>;
 	disabled?: boolean;
+	helpText?: string;
 }>();
 
 const emit = defineEmits<{
@@ -38,10 +44,6 @@ const checked = toRefs(props).modelValue;
 const toggle = () => {
 	if (props.disabled) return;
 	emit('update:modelValue', !checked.value);
-
-	if (!checked.value) {
-
-	}
 };
 </script>
 
@@ -98,4 +100,10 @@ const toggle = () => {
 		display: none;
 	}
 }
+
+.help {
+	margin-left: 0.5em;
+	font-size: 85%;
+	vertical-align: top;
+}
 </style>
diff --git a/packages/frontend/src/pages/admin/announcements.vue b/packages/frontend/src/pages/admin/announcements.vue
index 0d64ec03dd..d31487376b 100644
--- a/packages/frontend/src/pages/admin/announcements.vue
+++ b/packages/frontend/src/pages/admin/announcements.vue
@@ -32,13 +32,11 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<option value="banner">{{ i18n.ts.banner }}</option>
 						<option value="dialog">{{ i18n.ts.dialog }}</option>
 					</MkRadios>
-					<MkSwitch v-model="announcement.forExistingUsers">
+					<MkSwitch v-model="announcement.forExistingUsers" :helpText="i18n.ts._announcement.forExistingUsersDescription">
 						{{ i18n.ts._announcement.forExistingUsers }}
-						<template #caption>{{ i18n.ts._announcement.forExistingUsersDescription }}</template>
 					</MkSwitch>
-					<MkSwitch v-model="announcement.needConfirmationToRead">
+					<MkSwitch v-model="announcement.needConfirmationToRead" :helpText="i18n.ts._announcement.needConfirmationToReadDescription">
 						{{ i18n.ts._announcement.needConfirmationToRead }}
-						<template #caption>{{ i18n.ts._announcement.needConfirmationToReadDescription }}</template>
 					</MkSwitch>
 					<p v-if="announcement.reads">{{ i18n.t('nUsersRead', { n: announcement.reads }) }}</p>
 					<div class="buttons _buttons">
diff --git a/packages/frontend/src/pages/announcements.vue b/packages/frontend/src/pages/announcements.vue
index 559fc52748..1f7c28d2bf 100644
--- a/packages/frontend/src/pages/announcements.vue
+++ b/packages/frontend/src/pages/announcements.vue
@@ -5,9 +5,9 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <MkStickyContainer>
-	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
+	<template #header><MkPageHeader v-model:tab="tab" :actions="headerActions" :tabs="headerTabs"/></template>
 	<MkSpacer :contentMax="800">
-		<MkPagination ref="paginationEl" v-slot="{items}" :pagination="pagination" class="_gaps_m">
+		<MkPagination ref="paginationEl" :key="tab" v-slot="{items}" :pagination="tab === 'current' ? paginationCurrent : paginationPast" class="_gaps_m">
 			<section v-for="announcement in items" :key="announcement.id" class="_panel" :class="$style.announcement">
 				<div v-if="announcement.forYou" :class="$style.forYou"><i class="ti ti-pin"></i> {{ i18n.ts.forYou }}</div>
 				<div :class="$style.header">
@@ -27,7 +27,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<MkTime :time="announcement.updatedAt ?? announcement.createdAt" mode="detail"/>
 					</div>
 				</div>
-				<div v-if="$i && !announcement.isRead" :class="$style.footer">
+				<div v-if="tab !== 'past' && $i && !announcement.isRead" :class="$style.footer">
 					<MkButton primary @click="read(announcement.id)"><i class="ti ti-check"></i> {{ i18n.ts.gotIt }}</MkButton>
 				</div>
 			</section>
@@ -45,13 +45,26 @@ import { i18n } from '@/i18n';
 import { definePageMetadata } from '@/scripts/page-metadata';
 import { $i, updateAccount } from '@/account';
 
-const pagination = {
+const paginationCurrent = {
 	endpoint: 'announcements' as const,
 	limit: 10,
+	params: {
+		isActive: true,
+	},
+};
+
+const paginationPast = {
+	endpoint: 'announcements' as const,
+	limit: 10,
+	params: {
+		isActive: false,
+	},
 };
 
 const paginationEl = ref<InstanceType<typeof MkPagination>>();
 
+const tab = ref('current');
+
 function read(id: string) {
 	if (!paginationEl.value) return;
 	paginationEl.value.updateItem(id, announcement => {
@@ -66,7 +79,15 @@ function read(id: string) {
 
 const headerActions = $computed(() => []);
 
-const headerTabs = $computed(() => []);
+const headerTabs = $computed(() => [{
+	key: 'current',
+	title: i18n.ts.currentAnnouncements,
+	icon: 'ti ti-flare',
+}, {
+	key: 'past',
+	title: i18n.ts.pastAnnouncements,
+	icon: 'ti ti-point',
+}]);
 
 definePageMetadata({
 	title: i18n.ts.announcements,
diff --git a/packages/frontend/src/pages/gallery/index.vue b/packages/frontend/src/pages/gallery/index.vue
index e7c4ae88b5..af0ac2191b 100644
--- a/packages/frontend/src/pages/gallery/index.vue
+++ b/packages/frontend/src/pages/gallery/index.vue
@@ -86,7 +86,7 @@ const tagUsersPagination = $computed(() => ({
 	endpoint: 'hashtags/users' as const,
 	limit: 30,
 	params: {
-		tag: this.tag,
+		tag: props.tag,
 		origin: 'combined',
 		sort: '+follower',
 	},