September 1, 1939 German forces invaded Poland's borders after expressed demands by England and France that Germany not invade any other countries. That the German government follow the demands of the Versailles Treaty following World War I. Due to the repetitive breach of the treaty, the invasion of Poland was the last straw and France and England declared war on Germany September 3, 1939.
Poland, on 1 September 1939
It attacked Poland from the east as part of the nazi-soviet pact.
Germanys attack on Poland in 1939
During the 1930's, Britain and France had a defence agreement with Poland. On 1 September 1939, German troops invaded Poland, so on 3 September 1939, in response to that invasion, Britain and France declared war on Germany.
the event was when Germany invaded Poland. when Britain and France found out they declare war on Germany.
The 1939 invasion of Poland caused Britain to declare war on Germany, which started WWII.
The Invasion of Poland was from 1 September - 6 October 1939
Germany.
The invasion of Poland which began in September 1939
Poland was defated by Germany.
The Invasion of Poland by the Nazis in September 1939.
September 1, 1939