When WW2 started and ended (1 sept 1939 año – 2 sept 1945 año)
Descripción:
World War II, also called the Second World War, conflict that involved virtually every part of the world during the years 1939–45. The principal belligerents were the Axis powers—Germany, Italy, and Japan—and the Allies—France, Great Britain, the United States, the Soviet Union, and, to a lesser extent, China. (https://www.britannica.com/event/World-War-II)
Añadido al timeline:
fecha:
1 sept 1939 año
2 sept 1945 año
~ 6 years