December 11: Republic Day in Burkina Faso ( 1958).
- 1282 – Llywelyn ap Gruffydd, the last independent Prince of Wales to rule in Wales, was killed in an ambush.
- 1602 – Geneva successfully repelled a late night attack by the combined forces of Duke Charles Emmanuel of Savoy and King Philip III of Spain (pictured), an event commemorated annually during the Fête de l'Escalade.
- 1931 – The British Parliament enacted the Statute of Westminster, giving the option of complete legislative independence to the Irish Free State, Newfoundland, Canada, New Zealand, Australia and South Africa.
- 1946 – The United Nations Children's Fund (UNICEF) was established to provide emergency food and health care to children in countries that had been devastated by World War II.
- 1994 – First Chechen War: Russian forces entered into the breakaway Russian republic of Chechnya to control the secessionist movement.
More anniversaries:
December 11: Republic Day in Burkina Faso ( 1958).
- 1282 – Llywelyn ap Gruffydd, the last independent Prince of Wales to rule in Wales, was killed in an ambush.
- 1602 – Geneva successfully repelled a late night attack by the combined forces of Duke Charles Emmanuel of Savoy and King Philip III of Spain (pictured), an event commemorated annually during the Fête de l'Escalade.
- 1931 – The British Parliament enacted the Statute of Westminster, giving the option of complete legislative independence to the Irish Free State, Newfoundland, Canada, New Zealand, Australia and South Africa.
- 1946 – The United Nations Children's Fund (UNICEF) was established to provide emergency food and health care to children in countries that had been devastated by World War II.
- 1994 – First Chechen War: Russian forces entered into the breakaway Russian republic of Chechnya to control the secessionist movement.
More anniversaries: