Depends on which side you are focusing. In Asia, the war really starts around 1937 when Japan invaded Manchuria (China). Most likely, though, you are looking for the event that sparked the European side of the conflict: the invasion of Poland by Germany on September 1, 1939 that brought England and France to declare war on Germany (as part of a promise to protect Poland if it were invaded).
After which war was veterans day made official holiday
cause he made world war peace.
no the world war 1 did not cause the gulf war.
The main cause of world war 1 was all of the alliances nations made. It was also because Archduke Franz Ferdinand was assassinated by a terrorist.
russia dropped out the war
the choices were made what would become the Axis powers because they were suffering the versailes treaty and the deppresion.
No
No, the causes of world war II is Germany invading Poland in September of 1939. What made the U.S enter was Japan attacking and bombing Pearl Harbor.
Communist aggression.
World War 1 ended on November 11, 1918. In 1919, President Wilson proclaimed it an official holiday. It became Veterans day in 1954.
Because the treaty of Versailles made Germany look really mad and they declared war on someone else and it turned into world war 2.
yeeet