Fatto matematico: 2753 is the number of subsequences of {1,2,3,...13} in which every odd number has an even neighbor.
Trivia: 2753 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: July 15th is the day in 1959 that the steel strike of 1959 begins, leading to significant importation of foreign steel for the first time in United States history.