Wikipedia:Selected anniversaries/December 11

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 Statute of Westminster gave 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.
1981 - About 900 civilians in El Salvador were killed in the El Mozote massacre.

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