How did the did the conflict of world war 2 come to an end?

World War II came to an end in 1945 with the unconditional surrender of both Germany and Japan. Germany surrendered on May 7, 1945, following a series of military defeats and the fall of Berlin to Allied forces. Japan's surrender was precipitated by the dropping of atomic bombs on Hiroshima and Nagasaki in August 1945, along with the Soviet Union's declaration of war against Japan. The formal surrender took place on September 2, 1945, marking the official end of the conflict.