diff --git a/src/wp-admin/includes/dashboard-on-this-day.php b/src/wp-admin/includes/dashboard-on-this-day.php
index 1939f8ca4b0e3..aadfcd1ff7511 100644
--- a/src/wp-admin/includes/dashboard-on-this-day.php
+++ b/src/wp-admin/includes/dashboard-on-this-day.php
@@ -114,10 +114,19 @@ function wp_dashboard_on_this_day() {
 					<ul>
 						<?php foreach ( $year_posts as $year_post ) : ?>
 							<?php
-							$title = get_the_title( $year_post );
+							$title            = get_the_title( $year_post );
+							$no_title_excerpt = '';
 
 							if ( '' === trim( $title ) ) {
 								$title = __( '(no title)' );
+
+								if ( current_user_can( 'read_post', $year_post->ID ) && ! post_password_required( $year_post ) ) {
+									$excerpt = get_the_excerpt( $year_post );
+
+									if ( is_string( $excerpt ) && '' !== $excerpt ) {
+										$no_title_excerpt = wp_trim_words( $excerpt, 15 );
+									}
+								}
 							}
 
 							$author_id   = (int) $year_post->post_author;
@@ -125,7 +134,12 @@ function wp_dashboard_on_this_day() {
 							$show_author = '' !== trim( $author_name ) && get_current_user_id() !== $author_id;
 							?>
 							<li>
-								<a href="<?php echo esc_url( get_permalink( $year_post ) ); ?>"><?php echo esc_html( $title ); ?></a>
+								<a href="<?php echo esc_url( get_permalink( $year_post ) ); ?>">
+									<?php echo esc_html( $title ); ?>
+									<?php if ( '' !== $no_title_excerpt ) : ?>
+										<span class="trimmed-post-excerpt"><?php echo esc_html( $no_title_excerpt ); ?></span>
+									<?php endif; ?>
+								</a>
 								<?php if ( $show_author ) : ?>
 									<?php
 									echo '<span class="wp-on-this-day-post-author">' . esc_html(
diff --git a/tests/phpunit/tests/admin/wpDashboardOnThisDay.php b/tests/phpunit/tests/admin/wpDashboardOnThisDay.php
index 471324f9648ec..66a332b8e6340 100644
--- a/tests/phpunit/tests/admin/wpDashboardOnThisDay.php
+++ b/tests/phpunit/tests/admin/wpDashboardOnThisDay.php
@@ -58,23 +58,28 @@ private function set_up_dashboard_screen() {
 	 * @param string $title     Post title.
 	 * @param int    $years_ago Number of years before today.
 	 * @param string $time      Post time.
+	 * @param array  $post_args Additional post arguments.
 	 * @return int Post ID.
 	 */
 	private function create_matching_post(
 		int $author_id,
 		string $title = 'A memory from last year',
 		int $years_ago = 1,
-		string $time = '12:00:00'
+		string $time = '12:00:00',
+		array $post_args = array()
 	): int {
 		$post_date = current_datetime()->modify( '-' . $years_ago . ' years' )->format( 'Y-m-d' ) . ' ' . $time;
 
 		return self::factory()->post->create(
-			array(
-				'post_author'   => $author_id,
-				'post_date'     => $post_date,
-				'post_date_gmt' => get_gmt_from_date( $post_date ),
-				'post_status'   => 'publish',
-				'post_title'    => $title,
+			array_merge(
+				array(
+					'post_author'   => $author_id,
+					'post_date'     => $post_date,
+					'post_date_gmt' => get_gmt_from_date( $post_date ),
+					'post_status'   => 'publish',
+					'post_title'    => $title,
+				),
+				$post_args
 			)
 		);
 	}
@@ -338,6 +343,101 @@ public function test_widget_groups_posts_by_year() {
 	/**
 	 * @ticket 65116
 	 *
+	 * @covers ::wp_dashboard_on_this_day
+	 */
+	public function test_widget_includes_trimmed_excerpt_for_untitled_posts() {
+		wp_set_current_user( self::$user_id );
+
+		$words = array();
+		for ( $n = 1; $n <= 20; $n++ ) {
+			$words[] = 'word' . $n;
+		}
+
+		$this->create_matching_post(
+			self::$user_id,
+			'',
+			1,
+			'12:00:00',
+			array(
+				'post_excerpt' => implode( ' ', $words ),
+			)
+		);
+
+		ob_start();
+		wp_dashboard_on_this_day();
+		$output = ob_get_clean();
+
+		$this->assertStringContainsString( '(no title)', $output );
+		$this->assertStringContainsString( 'class="trimmed-post-excerpt"', $output );
+		$this->assertStringContainsString( 'word15', $output, 'The 15th word should be present.' );
+		$this->assertStringNotContainsString( 'word16', $output, 'The 16th word should be trimmed.' );
+		$this->assertStringContainsString( '&hellip;', $output, 'The excerpt should end with an ellipsis.' );
+	}
+
+	/**
+	 * @ticket 65116
+	 *
+	 * @covers ::wp_dashboard_on_this_day
+	 */
+	public function test_widget_includes_trimmed_excerpt_for_untitled_private_posts_authored_by_current_user() {
+		$this->set_up_dashboard_screen();
+
+		wp_set_current_user( self::$user_id );
+
+		$this->create_matching_post(
+			self::$user_id,
+			'',
+			1,
+			'12:00:00',
+			array(
+				'post_excerpt' => 'Readable private anniversary memory.',
+				'post_status'  => 'private',
+			)
+		);
+
+		add_filter( 'wp_dashboard_on_this_day_query_args', array( $this, 'filter_on_this_day_query_private_posts' ) );
+
+		ob_start();
+		try {
+			wp_dashboard_on_this_day();
+			$output = ob_get_clean();
+		} finally {
+			remove_filter( 'wp_dashboard_on_this_day_query_args', array( $this, 'filter_on_this_day_query_private_posts' ) );
+		}
+
+		$this->assertStringContainsString( '(no title)', $output );
+		$this->assertStringContainsString( 'class="trimmed-post-excerpt"', $output );
+		$this->assertStringContainsString( 'Readable private anniversary memory.', $output );
+	}
+
+	/**
+	 * @ticket 65116
+	 *
+	 * @covers ::wp_dashboard_on_this_day
+	 */
+	public function test_widget_hides_untitled_post_excerpt_for_password_protected_posts() {
+		wp_set_current_user( self::$user_id );
+
+		$this->create_matching_post(
+			self::$user_id,
+			'',
+			1,
+			'12:00:00',
+			array(
+				'post_excerpt'  => 'Private anniversary memory.',
+				'post_password' => 'secret',
+			)
+		);
+
+		ob_start();
+		wp_dashboard_on_this_day();
+		$output = ob_get_clean();
+
+		$this->assertStringNotContainsString( 'Private anniversary memory.', $output );
+		$this->assertStringNotContainsString( 'class="trimmed-post-excerpt"', $output );
+	}
+
+	/**
 	 * @covers ::wp_dashboard_on_this_day
 	 * @covers ::wp_dashboard_on_this_day_get_posts
 	 */
@@ -353,8 +453,20 @@ public function test_widget_limits_posts_to_ten() {
 		$output = ob_get_clean();
 
 		$this->assertStringContainsString( '10 posts have been published on <strong>' . wp_date( 'F jS' ) . '</strong>:', $output );
-		$this->assertStringContainsString( 'Anniversary post 1<', $output );
-		$this->assertStringContainsString( 'Anniversary post 10<', $output );
+		$this->assertMatchesRegularExpression( '/>\s*Anniversary post 1\s*<\/a>/', $output );
+		$this->assertMatchesRegularExpression( '/>\s*Anniversary post 10\s*<\/a>/', $output );
 		$this->assertStringNotContainsString( 'Anniversary post 11', $output );
 	}
+
+	/**
+	 * Filters the On This Day query to include private posts.
+	 *
+	 * @param array $args WP_Query arguments.
+	 * @return array Filtered query arguments.
+	 */
+	public function filter_on_this_day_query_private_posts( $args ) {
+		$args['post_status'] = array( 'private' );
+
+		return $args;
+	}
 }