Adolf Hitler was born on 20th April 1889, in the small town of Austria. He became very powerful during the 20th century. He was regarded as one of the greatest leaders of the Germany‚Äôs Nazi Party. The Second World War took place due to him in which a lot of people died. He conquered parts of Western Europe and the Soviet Union by leading Germany in a war. MerrySpell team will enlighten you today with the reason behind the defeat of Hitler in the war.