On the 1st of September 1939, Germany invaded Poland which was the 'official start' of World War 2.
World War begins officially when The Attack on Pearl Harbor happens.
The Germans were put on the defensive
It forced the Germans to fight the war on two fronts.
German invasion of Poland.
September 1939 in Poland when the Nazi Germans invaded that nation.
The invasion of Poland by the Russians was scarcely even noticed. What grabbed all the headlines was the invasion on the 1st September 1939 by the Germans. On the 3rd Britain & France declared war.
Operation "Sea Lion" was the planned invasion of Britain by the Germans in 1940.
I suppose you mean the NORMANDY invasion. There were hundreds of D-Days in World War 2. The Germans lost on the Operation Overlord's Normandy Invasion on June 6, 1944.
Poland was severely bombed by the Germans in September 1939.
"Late" American entry, the invasion of Polalnd (not sure about that one), Germans were in both, the french surrendered to the Germans in the same rail car the the Germans surrendered to the french in ww1
The allied invasion and beachhead at Normandy heralded the defeat of the Germans and the end of World War II in Europe.
Poland was the first country to be attacked during World War 2. In fact, the Germany invasion of Poland was what CAUSED World War 2.