Fatto generale: 65306 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 65306 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 65306 is an unremarkable number.
Data storica: October 19th is the day in 1866 that Venice - Annexion of Veneto and Mantua to Italy - At Hotel Europa, Austria hands over Veneto to France, which hands it immediately over to Italy.