WHAT HAPPENED IN 1941.
Look what happened the 1941.

World War II: First German military units enter Bulgaria after it joins the Axis Pact. (2. March 1941)

World War II: The United Kingdom launches Operation Claymore on the Lofoten Islands; the first large scale British Commando raid. (4. March 1941)

World War II: President Franklin D. Roosevelt signs the Lend-Lease Act into law, allowing American-built war supplies to be shipped to the Allies on loan. (11. March 1941)

Philippine Airlines, the flag carrier of the Philippines takes its first flight between Manila (from Nielson Field) to Baguio City with a Beechcraft Model 18 making the airline the first and oldest commercial airline in Asia operating under its original name. (15. March 1941)

In Washington, D.C., the National Gallery of Art is officially opened by President Franklin D. Roosevelt. (17. March 1941)

World War II: The 99th Pursuit Squadron also known as the Tuskegee Airmen, the first all-black unit of the Army Air Corp, is activated. (19. March 1941)

The Kingdom of Yugoslavia joins the Axis powers with the signing of the Tripartite Pact. (25. March 1941)

World War II: Yugoslavian Air Force officers topple the pro-Axis government in a bloodless coup. (27. March 1941)

World War II: Battle of Cape Matapan – in the Mediterranean Sea, British Admiral Andrew Browne Cunningham leads the Royal Navy in the destruction of three major Italian heavy cruisers and two destroyers. (28. March 1941)

The North American Radio Broadcasting Agreement goes into effect at 03:00 local time. (29. March 1941)

World War II: British Royal Navy and Royal Australian Navy forces defeat those of the Italian Regia Marina off the Peloponnesian coast of Greece in the Battle of Cape Matapan. (29. March 1941)

Fantana Alba massacre: between 200 and 2,000 Romanian civilians are killed by Soviet Border Guards. (1. April 1941)

The Blockade Runner Badge for the German navy is instituted. (1. April 1941)

A military coup in Iraq overthrows the regime of 'Abd al-Ilah and installs Rashid Ali as Prime Minister. (1. April 1941)

World War II: Nazi Germany launches Operation 25 (the invasion of Kingdom of Yugoslavia) and Operation Marita (the invasion of Greece). (6. April 1941)

World War II: The Axis powers in Europe establish the Independent State of Croatia from occupied Yugoslavia with Ante Pavelić's Ustaše fascist insurgents in power. (10. April 1941)

A Pact of neutrality between the USSR and Japan is signed. (13. April 1941)

World War II: The Ustashe, a Croatian far-right organization is put in charge of the Independent State of Croatia by the Axis Powers after the Axis Operation 25 invasion. (14. April 1941)

World War II: Rommel attacks Tobruk. (14. April 1941)

In the Belfast Blitz, two-hundred bombers of the German Luftwaffe attack Belfast, Northern Ireland, United Kingdom killing one thousand people. (15. April 1941)