USA HISTORY

Detailed explanation-1: -World War II began on September 3, 1939, two days after Hitler’s armies invaded Poland.

Detailed explanation-2: -When did WWII start? World War II began on September 1, 1939, with the German invasion of Poland.

Detailed explanation-3: -Outbreak of World War II (1939) On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland from the east.

Detailed explanation-4: -The Second World War was the most destructive conflict in human history. Years of international tension and aggressive expansion by Fascist Italy and Nazi Germany culminated in the German invasion of Poland on 1 September 1939. Britain and France declared war on Germany two days later.

Detailed explanation-5: -The Second World War took place between 1939 and 1945 and was the bloodiest conflict in human history. It split the world’s nations into two opposing military alliances.