- 1939 9 Oct Hitler authorises 'mercy killings' of the 'disabled' in Germany. More than 200,000 people will die.
- 1964 9 Oct In the US, a day is named for Lief Erikson, believed to be the first European to land in North America.
- 1967 9 Oct Cuban revolutionary Ernesto 'Che' Guevara is shot by the Bolivian army a day after being captured.

