Find your date.
Every day of the year has a page of what the atlas ties to it, with the source that gives the day. Type a birthday, or any date.
Keep a date.
Each date's page has a calendar button. It adds a yearly all-day event, on that date, that links back to the page. You can subscribe to it or just download it. We do not ask for your name, email or account, and we do not keep what you looked up.
Prefer a feed reader? The daily RSS feed has one item for each recent day that has an entry. Or go straight to today.
Address for readers and calendars: uncannyatlas.com/feed.xml and uncannyatlas.com/day/MM-DD.ics.