Fatto generale: 610 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 610 is the smallest Fibonacci number that begins with 6.
Trivia: 610 is an unremarkable number.
Data storica: September 1st is the day in 2004 that Beslan school hostage crisis commences when armed terrorists take children and adults hostage in Beslan in North Ossetia, Russia.