World War 2 was the biggest war in human history, involving more than 30 countries. It lasted for six years, from 1939 to 1945. The main combatants were the Axis Powers- (Germany, Italy, Japan) and Allied Powers- (France, Britain, United States, Soviet Union, China).
The War began in Europe on 1 September 1939, when Nazi Germany invaded Poland. When Germany refused to stop the invasion, Britain and France declared War on Germany on 3rd September. After this, other countries also started joining in the war.
World War 2 Ended with the surrender of Germany and Japan.
Here you will learn the history of World War 2 and some fascinating facts about this event in Hindi.