WORLD HISTORY

Detailed explanation-1: -German troops invaded Poland on September 1, 1939, triggering World War II. In response to German aggression, Great Britain and France declared war on Nazi Germany.

Detailed explanation-2: -Poland did not open an embassy in London until 1929. So how and why did we all end up here? When Britain declared war on Germany on 3 September 1939 it did so for only one reason-Germany had invaded Poland, and Britain had guaranteed to support her ally, like it had supported Belgium in WW1.

Detailed explanation-3: -1: The invasion of Poland by Germany starts at 4:45 a.m. when the Kriegsmarine’s battleship Schleswig-Holstein opens fire on the Polish military transit depot at Westerplatte in the Free City of Danzig on the Baltic Sea, but the attack is repulsed.

Detailed explanation-4: -On September 3, 1939, in response to Hitler’s invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany.

Detailed explanation-5: -France and Britain responded to the invasion of Poland by declaring war on Germany on September 3, 1939. But they did not engage in a major battle with Germany until spring 1940, when the French, especially, found little success in halting the German advance in western Europe.