General fact: 2352 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 2352 is an uninteresting number.
Trivia: 2352 is an unremarkable number.
Historical date: June 9th is the day in 1968 that U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.