What happend on 20th May

19.05
21.05
1917

The U.S. town of Codell, Kansas, is struck by an F3 tornado.

1916

The U.S. town of Codell, Kansas, is struck by an F2 tornado.

1916

The Saturday Evening Post publishes its first cover with a Norman Rockwell painting ("Boy with Baby Carriage").

1902

Cuba gains independence from the United States.

1891

History of cinema: First public display of Thomas Alva Edison's prototype kinetoscope (shown at Edison's Laboratory for a convention of the National Federation of Women's Clubs).

1883

The eruption of Krakatoa begins, leading ultimately to the volcano's destruction three months later.

1882

The Triple Alliance between Germany, Austria-Hungary and Italy is formed.

1873

Levi Strauss and Jacob Davis receive a US patent for blue jeans with copper rivets.

1864

American Civil War: Battle of Ware Bottom Church

1862

U.S. President Abraham Lincoln signs the Homestead Act into law.