The People’s Republic of China replaces the Republic of China at the United Nations.
24 October 1926
Harry Houdini’s last performance takes place at the Garrick Theatre in Detroit.
21 October 1983
The metre is defined as the distance light travels in a vacuum in 1/299,792,458 of a second.
19 October 1216
King John of England dies at Newark-on-Trent and is succeeded by his nine-year-old son Henry.