What closed the World War 2?

European Theater - after six years of war, the Russians and Americans finally surrounded and invaded Berlin, the Russians ended the war by capturing the Reich stag and cutting down the Schwastica that hung from the roof and replaced it with the red flag (almost to symbolize the fall of fascism in Europe) Then Hitler shot himself and World War 2 in Europe was over.

Pacific Theater - Two atomic bombs were dropped in 1945, first on Hiroshima then on Nagasaki, and the Japanese surrendered to the US troops.