Asked in World War 2World War 1Germany in WW2
When and how did War World II begin?
February 19, 2011 4:27PM
The fighting in the war officially began in 1931, when Japan invaded Manchuria and began fighting Chinese forces for control of the province. Most of the world, however, recognizes the official beginning of World War II as in the early morning hours of September 1st, when the Germans invaded Poland.