What year did Germany invade Paris during World War 2?
June, 1940 Germany never invaded Paris, rather Paris was occupied after the French government abandoned Paris for Tours. It was declared an open city on the 13th, German troops entered it on 14th June 1940. Paris was however bombed on 3rd June, this undoubtedly contributing to the French decision to abandon the city rather than have it invaded and fought over.
During World War II, it is not in fact accurate to claim that France invaded Germany from the south. Neither during the first year of the war (in 1939-40) nor during 1944, when a mixed force of Allied troops (including French divisions) landed on the southern coast of France and pushed north against German defenders, did France actually invade Germany. As part of Allied (in fact, American) armies, French troops did participate actively in the…
During World War II, Germany did not invade Finland. As practical allies for much of the war, the two nations nevertheless fought against each other in 1944 and 1945 -- mostly in minor skirmishes in the far north area of Finland. This conflict arose after Finland had signed a separate peace with the Soviet Union, which was at the same time driving relentlessly into German territory.
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.
Germany and France had a long-running dispute over which country owned the province of Alsace-Lorraine. They fought three wars about this, which were, the Franco-Prussian War, WW I, and WW II. Alsace-Lorraine remains part of France, and now that France and Germany are both part of the European Union, they are not going to fight about that anymore.