Fatto matematico: 1305 is the number of graphs with 11 vertices and 9 edges.
Trivia: 1305 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: July 28th is the day in 1945 that a U.S. Army B-25 bomber crashes into the 79th floor of the Empire State Building killing 14 and injuring 26.