Poland
Poland in September of 1939.
Germany attacked Poland in September of 1939.
Germany, by invading Poland on September 1, 1939.
The first day of the attack in World War I is generally considered to be August 1, 1914, when Germany declared war on Russia. However, the first significant military action occurred on August 4, 1914, when Germany invaded Belgium, leading to Britain's declaration of war on Germany the same day. This marked the official start of hostilities in the conflict.
The first attack which was at the start of the war was when Nazi Germany and the Soviet Union invaded Poland. World War 2 began in 1939. This caused the war after a couple of years of building up tension between the allies and the Nazis.
The prime minister of Britain declared war in Germany. The world war 2 started by Germany in a unprovoked attack on poland.
in world war 2 Germany attacked japan in hiroshima and nagasaki
America started to attack the german first, they attack the airport without any reason. America killed the ruler of the germany. That leads the World War 2
Blitzkrieg
1940
It was the other way around. Germany invaded Belgium in World War I as the first act of aggression. Germany invaded Belgium as a way to circumvent French defenses along the German border (the Maginot Line).