– WWII: Oradour-sur-Glane massacre: 642 men, women and children are killed in France. June 13 – WWII: Germany launches the first V-1 flying bomb attack on London. June 15 – WWII: Battle of Saipan: United States forces land on Saipan. June 15–16 – WWII: Bombing of Yawata – The United States Army Air Forces conduct the first air raid on the Japanese home islands. June 16 – At age 14, George Stinney becomes the youngest person ever executed in the United States. June 17 – Iceland declares full independence from Denmark. June 19 – WWII: A severe storm badly damages the Mulberry harbours on the Normandy coast. June 20 – WWII: A V-2 rocket becomes the first man-made object to cross the Kármán line and reach the edge of space. June 22 – WWII: Operation Bagration: A general attack by Soviet forces clears the German forces from Belarus, resulting in the destruction of German Army Group Centre, possibly the greatest defeat of the Wehrmacht during WWII. Burma Campaign: The Battle of Kohima ends in a British victory. June 23 – The Holocaust: Maurice Rossel of the International Committee of the Red Cross visits Theresienstadt concentration camp, uncritically accepting the propaganda view of it presented by the Schutzstaffel. June 25 – WWII: Battle of Tali-Ihantala (the largest battle ever in the Nordic countries): Finland is able to resist the Soviet attack, and thus manages to remain an independent nation. Cherbourg is bombarded by ships of the United States Navy and British Royal Navy, in support of U.S. ground troops. June 26 – WWII: American troops enter Cherbourg. June 29 – WWII: American submarine torpedoes Japanese troop transport ; 5,400 drown. June 30 – WWII: American submarine torpedoes Japanese troop transport ; 3,219 drown. July July–October – WWII: Germans are driven out of Lithuania leading to reimposition of the Lithuanian Soviet Socialist Republic. July 1 – The United Nations Monetary and Financial Conference begins at Bretton Woods, New Hampshire, United States. July 3 – WWII: Soviet troops liberate Minsk. Battle of Imphal: Japanese forces call off their advance, ending the battle with a British victory. July 6 – WWII: At Camp Hood, Texas, future baseball star and 1st Lt. Jackie Robinson is arrested and later court-martialed, for refusing to move to the back of a segregated U.S. Army bus (he is eventually acquitted). July 9 – WWII: British and Canadian forces capture