in two weeks. This anti-submarine warfare performance remains unmatched through the 20th century. June June 1 – Two K-class blimps of the United States Navy complete the first transatlantic crossing by non-rigid airships, from the U.S. to French Morocco, with two stops. June 2 – WWII: The Provisional Government of the French Republic is established. June 3 – Hans Asperger publishes his paper on Asperger syndrome. June 4 – WWII: Rome falls to the Allies, the first Axis capital to fall. A hunter-killer group of the United States Navy captures the , marking the first time a U.S. Navy vessel has captured an enemy vessel at sea since the War of 1812. Some significant intelligence data is acquired. June 5 – WWII: The German navy's Enigma messages are decoded in England almost in real time. British Group Captain James Stagg correctly forecasts a brief improvement in weather conditions over the English Channel, which will permit the following day's Normandy landings to take place (having been deferred from today due to unfavourable weather). At 10:15 p.m. local time, the BBC transmits coded messages including the second line of the Paul Verlaine poem "Chanson d'automne" to the French Resistance, indicating that the invasion of Europe is about to begin. More than 1,000 British bombers drop 5,000 tons of bombs on German gun batteries on the Normandy coast, in preparation for D-Day. US and British airborne divisions drop into Normandy, in preparation for D-Day. D-Day naval deceptions are launched. June 6 – WWII: D-Day: 155,000 Allied troops shipped from England land on the beaches of Normandy in northern France, beginning Operation Overlord and the Invasion of Normandy. The Allied soldiers quickly break through the Atlantic Wall and push inland, in the largest amphibious military operation in history. This operation helps liberate France from Germany, and also weakens the Nazi hold on Europe. June 7 – WWII: Bayeux is liberated by British troops. Operation Perch, a British attempt to capture Caen from the Germans, commences; it is abandoned on June 14. The steamer Danae (), carrying 600 Cretans (including 350 Greek Jews) on the first leg of the journey to Auschwitz, is sunk, with no known survivors, off Santorini. Joel Brand is intercepted by British agents in Aleppo. June 9 – WWII: Soviet leader Joseph Stalin launches the Vyborg–Petrozavodsk Offensive against Finland, with the intent of defeating Finland before pushing for Berlin. June 10