and Romania sign another treaty, the Tighina Agreement. August 31 WWII (Uprising in Serbia): Battle of Loznica: Chetniks capture the town of Loznica in Nazi-occupied Serbia. The Great Gildersleeve debuts on NBC Radio in the United States. September September 3 – The Holocaust: SS-Hauptsturmführer Karl Fritzsch first uses the pesticide Zyklon B to execute Soviet prisoners of war en masse at Auschwitz concentration camp; eventually it will be used to kill about 1.2 million people. September 6 – The Holocaust: The requirement to wear a yellow badge with the Star of David and the word "Jew" (Jude) inscribed, is extended to all Jews over the age of 6 in German-occupied areas. September 8 – WWII: Siege of Leningrad – German forces begin a siege against the Soviet Union's second-largest city, Leningrad. Stalin orders the Volga Germans deported to Siberia. September 11 WWII: Charles Lindbergh, at an America First Committee rally in Des Moines, Iowa, accuses "the British, the Jewish, and the Roosevelt administration" of leading the United States toward war. Widespread condemnation of Lindbergh follows. The Medvedev Forest massacre of political prisoners takes place, at the Oryol Prison in the Soviet Union. September 12 WWII: The first snowfall is reported on the Russian front. Construction on The Pentagon begins in Washington, D.C. Franklin Roosevelt gives one of his fireside chats, on the USS Greer incident. September 14 – The State of Vermont "declares war" on Germany, by defining the United States to be in "armed conflict", in order to extend a wartime bonus to Vermonters in the service. September 15 – The Estonian Self-Administration, headed by Hjalmar Mäe, is appointed by the German military administration. September 16 – Rezā Shāh of Iran is forced to resign in favor of his son Mohammad Reza Pahlavi, under pressure from the United Kingdom and the Soviet Union, concluding the Anglo-Soviet invasion of Iran. September 16–30 – The Nikolaev massacre takes place in Mykolaiv (Soviet Union); 35,782 men, women and children, mostly Jews, are killed by Einsatzgruppe D and local collaborators. September 22 – The town of Reshetylivka in the Soviet Union is occupied by German forces. September 23 – The 1941 Texas hurricane makes landfall near Bay City, Texas, causing extensive damage and flooding in Galveston and Houston. September 27 WWII: The National Liberation Front (Greece) (the main Greek Resistance movement) is established, and Georgios Siantos is appointed its first acting leader. The