World War II, 1941-45, involved campaigns across the Pacific Rim, Europe, and Africa. Members are encouraged to add specific campaigns to this section. Survivors of those who served in World War II are invited to share memories and stories as well.

…”1941-45 – World War II. On December 8, 1941, the United States declared war with Japan in response to the bombing of Pearl Harbor. The US declared war against Bulgaria, Germany, Hungary, Italy and Romania in response to the declarations of war by those nations against the United States”…
Wikipedia timeline http://en.wikipedia.org/wiki/Timeline_of_United_States_military_operations