Fatto matematico: 6928 is the number of inequivalent binary linear codes of length 11.
Trivia: 6928 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: December 19th is the day in 1964 that the South Vietnamese military junta of Nguyen Khanh dissolved the High National Council and arrested some of the members.