February 26 - Philippine Airlines was founded on February 26, 1941, making it Asia's oldest and first carrier, still to this day, operating under its current name.
March 11 - the Congress of the United States passes the Lend-Lease bill, paving the way for the provision of (amongst other equipment) 16,000 warplanes to the UK. Later Lend-Lease arrangements will supply other Allied nations.
May 20 - the Luftwaffe's largest paratroop assault sees 22,750 troops landed in Crete in Operation Merkur. The heavy losses taken mean this will also be the Luftwaffe's last such operation for the war.
July 31 - a chartered DC-4 ferried 40 American servicemen to Oakland,California from Nielson Airport in Makati City (Manila) with stops in Guam, Wake Island, Johnston Atoll and Honolulu, Hawaii, making Asia's First airline, Philippine Airlines, the first Asian airline to cross the Pacific Ocean. December that year a scheduled service commenced.
October 2 - Heini Dittmar sets a new airspeed record of 1,004 km/h (624 mph) in a Messerschmitt Me 163A. The record is unofficial because the flight (and the Me 163 programme) is kept secret.
December 7/8 - the Imperial Japanese Navy makes a devastatingly successful surprise attack on the U.S. Navy fleet at Pearl Harbor. Six aircraft carriers launched a total of nearly 400 warplanes which claimed five American battleships and ten other vessels, and damaged three other battleships. The following day, the U.S, declares war on Japan.