World War Two By dairyqueer Jun 28, 1919 Treaty of Versailles signed Dec 1, 1925 Locarno Treaties signed Aug 27, 1928 Kellogg-Briand pact signed Jul 27, 1929 Geneva Convention Mar 17, 1937 Treaty of versailles broken No actual given date. Aug 23, 1939 Nazi-Soviet Non-aggression Pact formed Jun 22, 1941 Nazi-Soviet Non-aggression pact broken Dec 7, 1941 Concientious objectors began Nov 8, 1942 Operation Torch Dec 18, 1942 Japanese internment began Sep 8, 1943 Italy's Surrender Mar 17, 1944 Supreme Allied commander Eisenhower elected No actual date was given. Oct 7, 1944 Dumbarton Oaks conference Aug 2, 1945 Potsdam conference Aug 18, 1945 Post war Occupation of Japan No actual date given. Nov 20, 1945 Nuremberg Trials Jun 5, 1947 Marshall plan Jul 26, 1948 Dissegregation of armed forced