General fact: 8320 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 8320 is the number of subsets of {1, 1/2, 1/3, ... 1/42} that sum to an integer.
Trivia: 8320 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: October 11th is the day in 1614 that Adriaen Block and 12 Amsterdam merchants petition the States General for exclusive trading rights in the New Netherland colony.