8.0k views
23 votes
When did World War II officially start?

2 Answers

10 votes
World War II began on September 1, 1939 and ended on September 2, 1945.
User Dave Andersen
by
4.6k points
3 votes

Answer:

World War II began in Europe on September 1, 1939, when Germany invaded Poland.

Explanation: World War II or the Second World War, often abbreviated as WWII or WW2, was a global war that lasted from 1939 to 1945

User Suraz
by
4.8k points