World War 2 officially began when Adolf Hitler sent the Wehrmacht (army) to invade Poland on September 1, 1939.
Germany started World War II by invading Poland on September 1, 1939.
the treaty of Versailles was to much burden on Germany and there was no way they began to pay retribution that was imposed on them. it caused much hardship and hard feelings and Germany began to think the world was against them. so Germany when Hitler started ruling ignored the treaty and began to prepare for war.
Germany inveded the rhineland
Germany.
Great Britain and France declared war on Germany, when Germany invaded Poland - so began the second World War in Europe.
World War 1 officially began in September 1939 when Germany invaded Poland.
It officially began on 1 September 1939 with the invasion of Poland by Germany .
England and France declared war on Germany after it invaded Poland on Sept 1, 1939.
Answer this question…It officially blamed Germany for causing World War I.
World War II officially began after Germany invaded Poland. The invasion of Poland caused England and France to declare war on Germany.
World War I began Officially in August 3rd of 1914
When World War II began, Japan sided with Germany and Italy.
World war 2 began because Germany invaded Poland
Poland
WW2 began in 1939 when 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.
Officially in 1939, but the Japanese already invaded China in 1937 and Nazi Germany already invaded some smaller countries in 1938.