1666 ― Great London Fire begins in Pudding Lane. Eighty percent of London destroyed.
1859 ― Pullman sleeping car debuts
1859 ― RC Carrington & R Hodgson make first observation of solar flare
1874 ― Sydney General Post Office opens in Australia
1878 ― First female telephone operator, Emma Nutt, starts work in Boston
1916 ― Keating-Owen Act outlaws child labor from interstate commerce
1939 ― Physical Review publishes first paper to deal with black holes
1941 ― Yellow star becomes obligatory for Jews in the Reich
1948 ― U.N.'s World Health Organization established
1951 ― U.S., Australia & New Zealand sign ANZUS treaty
1983 ― Korean Boeing 747 strays over Kamchatka and is shot down by a Soviet jet
1985 ― U.S.-French expedition locates wreckage of Titanic off Newfoundland
1989 ― Princess Anne & Mark Phillips announce their separation