Pre-war Germany. Berlin decorated for the Olympic games, 1936. Hitler was in power by now, and he wanted Germany to look its best: he even went so far as to take down anti-semitic signs and rid the streets of the homeless for the time they hosted the Games.
World War 2 This war fought in Europe, North Africa and Asia started in 1939 with the invasion of Poland by Nazi Germany and ended in 1945 with the dropping of two atomic bombs on Japan. It was the largest armed conflict in history.