Fatto generale: 1976 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1976 is the maximum number of regions space can be divided into by 19 spheres.
Trivia: 1976 is a boring number.
Data storica: May 29th is the day in 1953 that Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.