Fatto matematico: 4933 is the number of digits in the 14^{th} Fermat number.
Trivia: 4933 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: July 3rd is the day in 1988 that United States Navy warship USS Vincennes shoots down Iran Air Flight 655 over the Persian Gulf, killing all 290 people aboard.