of war General Henri Giraud escapes from his castle prison in Königstein Fortress. 1944 – Forces of the Communist-controlled Greek People's Liberation Army attack the smaller National and Social Liberation resistance group, which surrenders. Its leader Dimitrios Psarros is murdered. 1945 – World War II: Montese, Italy, is liberated from Nazi forces. 1945 – Historian Tran Trong Kim is appointed the Prime Minister of the Empire of Vietnam. 1946 – The last French troops are withdrawn from Syria. 1951 – The Peak District becomes the United Kingdom's first National Park. 1961 – Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro. 1969 – Sirhan Sirhan is convicted of assassinating Robert F. Kennedy. 1969 – Communist Party of Czechoslovakia chairman Alexander Dubček is deposed. 1970 – Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely. 1971 – The Provisional Government of Bangladesh is formed. 1975 – The Cambodian Civil War ends. The Khmer Rouge captures the capital Phnom Penh and Cambodian government forces surrender. 1978 – Mir Akbar Khyber is assassinated, provoking the Saur Revolution in Afghanistan. 1982 – Constitution Act, 1982 Patriation of the Canadian constitution in Ottawa by Proclamation of Elizabeth II, Queen of Canada. 1986 – An alleged state of war lasting 335 years between the Netherlands and the Isles of Scilly declared peace bringing an end to any hypothetical war that may have been legally considered to exist. 1992 – The Katina P is deliberately run aground off Maputo, Mozambique, and 60,000 tons of crude oil spill into the ocean. 2006 – A Palestinian suicide bomber detonates an explosive device in a Tel Aviv restaurant, killing 11 people and injuring 70. 2013 – An explosion at a fertilizer plant in the city of West, Texas, kills 15 people and injures 160 others. 2014 – NASA's Kepler space telescope confirms the discovery of the first Earth-size planet in the habitable zone of another star. 2021 – The funeral of Prince Philip, Duke of Edinburgh, takes place at St George's Chapel, Windsor Castle. Births Pre-1600 1277 – Michael IX Palaiologos, Byzantine emperor (d. 1320) 1455 – Andrea Gritti, Doge of Venice (d. 1538) 1497 – Pedro de Valdivia, Spanish conquistador, conquered northern Chile (d. 1553) 1573 – Maximilian I, Elector of Bavaria (d. 1651) 1586 –