Fait général: 28105 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 28105 is an unremarkable number.
Culture générale: 28105 is an unremarkable number.
Date historique: December 11th is the day in 2006 that Felipe Calderon Hinojosa, the president of Mexico, launches a military-led offensive to put down the drug cartel violence in the state of Michoacán.