When did WWII end?

World War II ended on September 2, 1945, with the formal surrender of Japan, which followed the atomic bombings of Hiroshima and Nagasaki by the United States. The war had lasted for six years, during which millions of lives were lost and the world witnessed some of the most significant events in modern history, such as the Holocaust, the Battle of Stalingrad, and the Normandy landings. The end of the war marked the beginning of a new era in international relations and the start of the Cold War between the United States and the Soviet Union. Today, the end of WWII is commemorated in many countries around the world with ceremonies and memorial services, and it remains an important topic of study for historians and students alike.