1639 Separately, Jeremiah Horrocks and William Crabtree first recorded the observation of the transit of Venus. It was a major contribution to mapping the Solar system.
1642 Dutch sailor Abel Tasman landed on Van Dieman’s Land, now Tasmania. His name is also on the Tasman Sea between Australia and New Zealand.
1859 Charles Darwin published the ‘On the Origin of Species.’ A masterwork.
1947 The drooling monster HUAC ruled the Hollywood Ten in contempt of Congress. Several went to jail and at least one died there. The floor vote was 346 for and 17 against the citations. The Supreme Court later upheld the authority of Congress to so act. The ten were writers, directors, producers, and editors. It was a shot across the bows of the studios and interpreted in that way.
1995 In a referendum Irish voters accepted divorce 50.3 to 49.7, ending a 70 year proscription. In a total of 1.6 million voters the difference was 8,000 votes.