The event was Germany invading Poland.
When Germany invaded Poland, France and England declared war on Germany, this started WWll
The assassination of Austrian Archduke Ferdinand was the immediate cause of World War I. He was killed by a Serbian terrorist, which caused Austria to declare war on Serbia. Serbia was allied with Russia, who intervened, causing Germany to declare war on Russia, which caused France to declare war on Germany.
The United States was bombed by the Japanese at Pearl Harbor which cause a declaration of war but Germany had an alliance with Japan and it had forced the United States to declare war on Germany too. Then Germany had an alliance with Italy which cause the United States to declare war on yet another country. Then the world was at war and therefore World War 2 started.
It didn't. Germany started invading other countries which made France and the UK declare war on Germany.
Hitler invaded country after country, Czechoslovakia, Poland, until the Allies had no choice but, to declare war on Germany. The answer is yes. hilter's policies helped to cause WW2.
Germany had an agreement to go to war if Austria-Hungary were to be attacked by Russia. Alliances like this were a main cause that brought many countries into WW1.
the act of compelling by force of authority, using force to cause something
The German invasion of Poland... complements of THE DENNIS JONESGermany invading Polandthe German invasion of Poland
The attack on Pearl Harbor caused the US to declare war on Japan and then Germany and Italy. 1,177 crewman died that day.
the assassination of Austrian arch duke Franz Ferdinand by bosnian nationalists caused austria to declare war on bosnia and russia was allied with them and Germany with austria
because Hitler invaded our friends (Poland)Britain had a defense treaty with Belgium. When Germany invaded the small dutch-and-french speaking nation, Britain was obligated to issue an ultimatum and, in the case that was ignored, declare war.The Britain declared war on Germany because of the German's invasion of Belgium.