List of days of the year
Condensed list of historical anniversaries.
External links
Wikimedia Commons has media related to April 27.
- Daily Content Archive
- World History Database
- On This Day
- Today In British History
- History Channel (US): This Day in History
- History Channel (UK): This Day in History
- The New York Times: On This Day
- On-This-Day.com
- The Internet Movie Database: This Day in Movie History
- BBC: On This Day
- Dates in American Naval History
- Today in Australian History
- Today in New Zealand History
- Iranians' History on This Day
- Library of Congress American Memory's Today in History
- Computer History Museum This Day In History
- HistoryPod
- Days of the Year