Hecho matemático: 1819 is an uninteresting number.
Trivia: 1819 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: December 23rd is the day in 2002 that a MQ-1 Predator is shot down by an Iraqi MiG-25, making it the first time in history that an aircraft and an unmanned drone had engaged in combat.