1369 - Battle of Montiel: Peter of Castile (Peter the Cruel) with support from England is defeated by an alliance between the French and his half-brother Henry II of Castile 1845 - -5.3°F (-20.7°C) in Groningen‚ Netherlands 1900 - Dutch botanist Hugo de Vries rediscovers Gregor Mendel's laws of heredity and genetics 1935 - 36-Folsom becomes 1st line to use 1-man streetcars in San Francisco 1960 - 14 die in a train crash in Bakersfield‚ California 1967 - JFK's body moved from temporary grave to a permanent memorial 1980 - Ice Pairs Championship at Dortmund won by Cherkasova and Shakhrai (USSR) 1986 - European Space Agency's Giotto flies by Halley's Comet (605 km) 1994 - Mexican banker and billionaire Alfredo Harp Helu kidnapped 2018 - NASA twin study finds that Scott Kelly is no longer identical to his twin brother after one year in space‚ 7% of his genes altered More Historical Events »