December 11: Republic Day in Burkina Faso ( 1958)
- 1282 - Llywelyn ap Gruffudd, the last independent Prince of Wales to rule in Wales, was killed in an ambush.
- 1602 - Geneva successfully repelled a late night attack by Savoy, an event commemorated annually during the Fête de l'Escalade.
- 1931 - The Statute of Westminster gave complete legislative independence to the Irish Free State, Newfoundland, Canada, New Zealand, Australia and South Africa.
- 1946 - The UNICEF was established (logo pictured).
- 1981 - About 900 civilians in El Salvador were killed in the El Mozote massacre.
Recent days: December 10 – December 9 – December 8
More anniversaries:
December 11: Republic Day in Burkina Faso ( 1958)
- 1282 - Llywelyn ap Gruffudd, the last independent Prince of Wales to rule in Wales, was killed in an ambush.
- 1602 - Geneva successfully repelled a late night attack by Savoy, an event commemorated annually during the Fête de l'Escalade.
- 1931 - The Statute of Westminster gave complete legislative independence to the Irish Free State, Newfoundland, Canada, New Zealand, Australia and South Africa.
- 1946 - The UNICEF was established (logo pictured).
- 1981 - About 900 civilians in El Salvador were killed in the El Mozote massacre.
Recent days: December 10 – December 9 – December 8
More anniversaries: