Hecho matemático: 66905 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 66905 is a boring number.
Fecha histórica: March 6th is the day in 2008 that a Palestinian gunman shoots and kills 8 students and critically injures 11 in the library of the Mercaz HaRav yeshiva, in Jerusalem, Israel.