last battle of the War in Europe is fought at Poljana near Slovenj Gradec, Slovenia. May 15 – WWII: Surrender at Bleiburg – Retreating troops of the Croatian Armed Forces of the former puppet Independent State of Croatia (intermingled with fleeing civilians) attempt to surrender to the British Army at Bleiburg, but are directed to surrender to Yugoslav Partisans, who open fire on them. The remainder, after orders are given by Tito, are force-marched through Croatia and Serbia, interned or massacred, with thousands dying. May 16 – WWII: Liberation of the German-occupied Channel Islands: Occupation of Alderney ends, with British forces taking the surrender of the occupying troops, the civilian population having been evacuated. May 23 The Flensburg Government is dissolved by the Allies, and German President Karl Dönitz and German Chancellor Lutz Graf Schwerin von Krosigk are arrested by British RAF Regiment personnel at Flensburg. They are respectively the last German Head of state and Head of government until 1949. Heinrich Himmler, former head of the Nazi SS, commits suicide in British custody. May 28 – U.S.-born Irish-raised William Joyce ("Lord Haw-Haw") is captured on the German border. He is later charged in London with high treason for his English-language wartime broadcasts from German radio, convicted, and then hanged in January 1946. May 29 German communists, led by Walter Ulbricht, arrive in Berlin. Dutch painter Han van Meegeren is arrested for collaboration with the Nazis, but the "Dutch Golden Age" paintings he has sold to Hermann Göring (Koch) are later proved to be his own fakes. May 30 – The Iranian government demands that all Soviet and British troops leave the country. May – Interpol (being headquartered in Berlin) effectively ceases to exist (it is recreated on June 3, 1946). June June 1 – The British take over Lebanon and Syria. June 5 – The Allied Control Council, the military occupation governing body of Germany, formally takes power. June 7 – King Haakon VII of Norway returns to Norway five years to the day after leaving for exile in Britain. June 11 William Lyon Mackenzie King is re-elected as Canadian prime minister. The Franck Committee recommends against a surprise nuclear bombing of Japan. June 12 – The Yugoslav Army leaves Trieste, leaving the New Zealand Army in control. June 21 – WWII: The Battle of Okinawa ends, with U.S. occupation of the island until 1972. June 24 – WWII: