Machu Picchu is the hispanicized spellingof the Quechua name Machu Pikchu. It means old peak (Quechua machu old + pikchu peak).
In April 1961, cosmonaut Yuri Gagarin's spacecraft was launched at 9:07, orbited Earth once and landed at 10:55 in the Soviet Union.
Leonid Brezhnev was the leader of the Soviet Union for 18 years during the height of the Cold War from 1964 to 1982. His leadership is known for its massive build up of nuclear arms, but at great cost to the Soviet economy.