Seventies By cassidypeterson14 Jan 11, 1970 Supebowl IV Kansas City Chiefs beat Minnesota Vikings 23-7 Period: Dec 2, 1970 to Dec 2, 1975 70's Dec 25, 1971 Christmas Day Christmas Day! Jan 14, 1973 Elvis Presley Concert in Hawaii Mar 29, 1974 Murcery Marier 10 approaches Mercury Dec 29, 1975 Bomb Explosion Kills 11 people