held in New York City. 1887 – A fire at the Theatre Royal, Exeter, kills 186. 1901–present 1905 – Russo-Japanese War: In New Hampshire, United States, the Treaty of Portsmouth, mediated by U.S. President Theodore Roosevelt, ends the war. 1914 – World War I: First Battle of the Marne begins. Northeast of Paris, the French attack and defeat German forces who are advancing on the capital. 1915 – The pacifist Zimmerwald Conference begins. 1932 – The French Upper Volta is broken apart between Ivory Coast, French Sudan, and Niger. 1937 – Spanish Civil War: Llanes falls to the Nationalists following a one-day siege. 1938 – Chile: A group of youths affiliated with the fascist National Socialist Movement of Chile are executed after surrendering during a failed coup. 1941 – Whole territory of Estonia is occupied by Nazi Germany. 1942 – World War II: Japanese high command orders withdrawal at Milne Bay, the first major Japanese defeat in land warfare during the Pacific War. 1943 – World War II: The 503rd Parachute Infantry Regiment lands and occupies Lae Nadzab Airport, near Lae in the Salamaua–Lae campaign. 1944 – Belgium, Netherlands and Luxembourg constitute Benelux. 1945 – Cold War: Igor Gouzenko, a Soviet Union embassy clerk, defects to Canada, exposing Soviet espionage in North America, signalling the beginning of the Cold War. 1945 – Iva Toguri D'Aquino, a Japanese American suspected of being wartime radio propagandist Tokyo Rose, is arrested in Yokohama. 1948 – In France, Robert Schuman becomes President of the Council while being Foreign minister; as such, he is the negotiator of the major treaties of the end of World War II. 1954 – KLM Flight 633 crashes into the River Shannon in Shannon, County Clare, Ireland, killing 28. 1957 – Cuban Revolution: Fulgencio Batista bombs the revolt in Cienfuegos. 1960 – Poet Léopold Sédar Senghor is the first elected President of Senegal. 1960 – Muhammad Ali (then known as Cassius Clay) wins the gold medal in the light heavyweight boxing competition at the Olympic Games in Rome. 1969 – Mỹ Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai. 1970 – Vietnam War: Operation Jefferson Glenn begins: The United States 101st Airborne Division and the South Vietnamese 1st Infantry Division initiate a new operation in Thừa Thiên–Huế Province. 1970 – Jochen Rindt becomes