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The world war 2 began on 3rd September 1939 and ended on 2nd September 1945, it lasted for a period of 7 years. It is regarded as the largest and the bloodiest war in history because it led to the death of 40 to 50 million deaths. It is considered a continuation of world war 1 because it erupted as a result of matters that werer left unresolved after the war. This war was mainly between the Axis powers (Germany, Italy and Japan) and the Allies( France, Great Britain, United states and the Soviet Union.
The end of the war began in May of 1945 when Germany surrendered unconditionally a week after Adolf Hitler had committed suicide and later ended on 2 September of that year when Japan also unconditionally surrendered after the bombings of Hiroshima and Nagasaki.