1669-William Semple patents chewing gum
1832-John Calhoun became the 1st Vice-president to resign
1846-Iowa becomes 29th state
1890-Battle of Wounded Knee SD - Last major conflict with Indians
1902-Trans-Pacific cable links Hawaii to US
1908-Earthquake strikes Messina Italy; 80 000 die
1912-SF Municipal Railway starts operation at Geary St. (MUNI)
1915-SF City Hall dedicated by Mayor James Rolph
1950-Chinese troops cross 38th Parallel into South Korea
1978-30th hat trick in Islander history - Mike Bossy
1985-Warring Lebanese Moslem and Christian leaders sign peace agreement