| 1386 | The Treaty of Windsor, between kings Richard and John, made a perpetual alliance between England and Portugal. |
| 1695 | The Scottish Parliament met and enquired into the massacre of Glencoe. |
| 1828 | The British Test and Corporation Acts were repealed so that Catholic and Protestant Nonconformists could hold public office in Britain. |
| 1939 | British prime minister Winston Churchill urged military alliance with USSR |
| 1940 | Romania placed itself under German protection |
| 1940 | RAF began night bombing of Germany |
| 1945 | Russian troops took Prague |
| 1946 | Victor Emmanuel III of Italy abdicated and Umberto II proclaimed himself king |
| 1955 | West Germany was admitted as a member of NATO. |
| 1978 | Aldo Moro was found dead in Rome after the Italian government refused to make concessions to his captors. |
| 1996 | The British House of Commons voted to maintain the Ministry of Defence ban on homosexuals serving in the armed forces. |
| 1996 | The Bulgarian national currency, the levy, collapsed after the Bulgarian national bank announced a rise in its interest rate from 67% to 108%. |