Fatto generale: 2028 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2028 is the number of graphs with 9 vertices that have chromatic number 6.
Trivia: 2028 is an uninteresting number.
Data storica: July 20th is the day in 1960 that the Polaris missile is successfully launched from a submarine, the USS George Washington, for the first time.