Your question makes no sense.
because Adolf Htler wanted to control all of Europe.
Romans
Through 1944 that would be Germany, after that Russia controlled and held eastern Europe for decades.
In certain places, such as Northern Asia and Europe and some parts of the US.
russia
All of Eastern Europe.
Europe
25% of the world and too many to list.
In World War 2 the Allies attacked Axis controlled Europe. The first place they attacked was the island of Sicily.
joesph Stalin
The USSR
Germany