16th » The first major wagon train heading for the Pacific Northwest sets out on the Oregon Trail with one thousand pioneers from Elm Grove, Missouri.
18th » The Disruption of 1843 or Disruption in Edinburgh of the Free Church of Scotland (1843–1900) or Free Church of Scotland from the Church of Scotland.
Famous Birthdays on May in 1843
2nd » Elijah McCoy, Canadian-American engineer (d. 1929)
5th » William George Beers, Canadian dentist and patriot (d. 1900)
6th » Grove Karl Gilbert, American geologist (d. 1918)
10th » Benito Pérez Galdós, Spanish author (d. 1920)
21st » Charles Albert Gobat, Swiss lawyer and politician, Nobel Peace Prize e.g Nobel Prize laureate (d. 1914)
Famous Deaths for May 1843
24th » Sylvestre François Lacroix, French mathematician (b. 1765)
28th » Noah Webster, American lexicographer and author (b. 1758)