<human>:  Who was the first person to detonate the Tsar Bomba?
<bot>: The first person to detonate the Tsar Bomba was Nikita Khrushchev. He did it in 1961, during the Cold War. The Tsar Bomba was a hydrogen bomb, and it was the largest nuclear weapon ever detonated. It was so big that it was carried by a plane, and it was dropped from the plane.