WHAT ALL HAPPENED MAY TO SEPTEMBER 1941
Find out what all happened May to September 1941

World War II: Battle of Crete – German paratroops invade Crete. (20. May 1941)

World War II: German troops reach the Dnieper River. (5. July 1941)

The German Luftwaffe launches a bombing raid on Nottingham and Derby (8. May 1941)

World War II: Montenegrins begin a popular uprising against the Axis powers (Trinaestojulski ustanak). (13. July 1941)

Soviet leader Joseph Stalin consolidates the Commissariats of Home Affairs and National Security to form the NKVD and names Lavrenti Beria its chief. (20. July 1941)

June deportation: the first major wave of Soviet mass deportations and murder of Estonians, Latvians and Lithuanians, begins. (14. June 1941)

Germany invades the Soviet Union in Operation Barbarossa. (22. June 1941)

The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs. (3. September 1941)

World War II: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma cryptography machine which Allied cryptographers later use to break coded German messages. (9. May 1941)

The June Uprising in Lithuania begins. (22. June 1941)

World War II: German forces launch a major attack on Tobruk. (1. May 1941)

Jedwabne Pogrom: the massacre of Jewish people living in and near the village of Jedwabne in Poland. (10. July 1941)

Konrad Zuse presents the Z3, the world's first working programmable, fully automatic computer, in Berlin. (12. May 1941)

World War II: The House of Commons in London is damaged by the Luftwaffe in an air raid. (10. May 1941)

World War II: Manolis Glezos and Apostolos Santas climb the Athenian Acropolis and tear down the Nazi swastika. (30. May 1941)

Emperor Haile Selassie returns to Addis Ababa, Ethiopia; the country commemorates the date as Liberation Day or Patriots' Victory Day. (5. May 1941)

Adolf Hitler orders the cessation of Nazi Germany's systematic T4 euthanasia program of the mentally ill and the handicapped due to protests, although killings continue for the remainder of the war. (24. August 1941)

Nazi troops massacre Polish scientists and writers in the captured Ukrainian city of Lviv. (4. July 1941)

World War II: a German submarine makes the first attack against a United States ship, the USS Greer. (4. September 1941)

First flight of the Gloster E.28/39 the first British and Allied Jet Aircraft. (15. May 1941)