Britain
Soviet Union
German soldiers disguised themselves as Polish soldiers and attacked a German radio station to give reasoning to invade Poland.
Yes, over 170,000 Allied soldiers invaded German occupied France on D-Day
US soldiers did not invade Japan until after the surrender, when they arrived as an occupying force. Japan was bombed into submission, rather than being invaded.
The Nazis invaded the whole of the Netherlands and placed the country under German administration.
During World War One, Germany invaded Belgium because of their refusal to let German soldiers cross their boarders to invade France who they declaring war with the day after declaring war on Russian in support of Austria for the killing of Francis Ferdinand in Sarajevo. During World War Two Germany invaded Poland as a defensive maneuver after enacting a false flag operation at the German radio station Sender Gleiwitz in Gleiwitz.
Operation Barbarossa was the German attack plan for the attack on the Soviet Union.
They didn't invade North America.
Yes. Cardiff in Wales and Clydebank in Scotland were heavily bombed because of the docks and shipbuilding located there.
The US leaders were hoping and praying the Japanese would finally surrender so they would not have to invade Japan. They were trying to prevent the deaths of millions of Japanese, Allied Force warriors including Russian Red Army soldiers. The Japanese Military was not willing to surrender. to defeat japan quickly and save american lifes
They were Allies. But nearing the end when the Italians wanted to kick Mussolini out of power, Hitler sent in German troops to take control. He didn't want to lose the country, so he sent in his soldiers temporarily to fight the Allies and make sure Italy stayed its ally. But he didn't invade it in the way that he invaded other countries such as France.
400 a.D.