1710 - In the Battle of Helsingborg, 14,000 Danish invaders under Jørgen Rantzau are decisively defeated by an equally sized Swedish force under Magnus Stenbock.
1983 - The final episode of M*A*S*H is broadcast in the USA, becoming the most watched television episode in history, with 106–125 million viewers in the U.S. (estimate varies by source).
1998 - First flight of RQ-4 Global Hawk, the first unmanned aerial vehicle certified to file its own flight plans and fly regularly in U.S. civilian airspace.