1970s

NaNs

Years

 * 1970
 * 1971
 * 1972
 * 1973
 * 1974
 * 1975
 * 1976
 * 1977
 * 1978
 * 1979

Events with unknown dates

 * A time capsule made out of a Partridge Family Lunchbox is buried on the spot where Planet Express will be headquartered centuries later (US#001).