WW2
World War 1 officially began in September 1939 when Germany invaded Poland.
Germany invaded Poland.---Apex
Germany invaded Poland
Germany invaded Poland
WW2 began in 1939 when Germany invaded Poland.
World war 2 began because Germany invaded Poland
World War II officially began after Germany invaded Poland. The invasion of Poland caused England and France to declare war on Germany.
Poland was invaded in 1939 by Germany which started the Second WW
When Hitler invaded Poland in September 1939
World War II began on September 1, 1939, when Germany invaded Poland. It ended on September 2, 1945, when Japan formally surrendered, marking the conclusion of the conflict.
Germany invaded Poland.
WW2 or WWII began on September 1, 1939 when Germany invaded Poland and England and France declared war on Germany. ANOTHER ANSWER: It unofficially began in 1933 when Japan invaded Manchuria and started a war with China.