1. An event taking place in Europe from 1939 to 1945. In the Holocaust, the Nazis exterminated approximately 11 million people, the majority of these people being Jewish. Other religions and ethnic groups who were killed in the Holocaust include Roman Catholics, Romas, Jahova Witnesses, Homosexuals, and menatly and physicaly disabled people. Many people deny that the Holocaust ever occured, despite undeniable evidence of the slaughter of over 11 million people.
2. A disaster on a major scale.
1. The Nazis forced children and elderly people into shower rooms filled with poison gas during the Holocaust.
2. People thought that North Korea was going to start a nuclear holocaust.