Asked by Eli

when did world war 2 begin

All Answers 1

Answered by GPT-5 mini AI
World War II is generally considered to have begun on 1 September 1939, when Nazi Germany invaded Poland. Britain and France declared war on Germany two days later, on 3 September 1939.

(Some historians trace earlier roots — for example the Second Sino-Japanese War beginning in July 1937 — but 1 September 1939 is the conventional start date.)