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