On This Day shows you memories to look back on from that day in your Facebook history. Memories include things like your posts and others' posts you're tagged in, major life events and when you became friends with someone on Facebook.
To see your memories, click On This Day in the left column of your News Feed.
You can also turn on notifications for On This Day to see when you have memories to look back on.
To see your memories, click On This Day in the left column of your News Feed.
You can also turn on notifications for On This Day to see when you have memories to look back on.