1935 CE: The first Heinkel He 111 prototype bomber is flown.

1936 CE: Lufthansa begins to fly Heinkel He 111s carrying civilian passengers.

1936 CE - 1939 CE: Heinkel He 111 bombers operate in the Spanish Civil War.

1937 CE: Heinkel opens a factory at Oranienburg dedicated to manufacturing the Heinkel He 111 bomber.

1939 CE - 1940 CE: The Luftwaffe deploys Heinkel He 111 bombers against several European countries as Germany occupies Poland and parts of Western Europe.

1939 CE - 1945 CE: One of the Luftwaffe's key medium bombers is the Heinkel He 111.

1940 CE: Heinkel He 111 bombers are deployed over Britain in the Battle of Britian, London Blitz, and general bombing campaign against British cities.