Fatto generale: 75314 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 75314 is a boring number.
Trivia: 75314 is an unremarkable number.
Data storica: March 15th is the day in 1965 that President Lyndon B. Johnson, responding to the Selma crisis, tells U.S. Congress "We shall overcome" while advocating the Voting Rights Act.