Fatto generale: 66973 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 66973 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 66973 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: May 13th is the day in 1995 that a 33 years old British mother Alison Hargreaves, became the first woman to conquer Everest without oxygen or the help of sherpas.