Hecho matemático: 20069 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 20069 is an unremarkable number.
Fecha histórica: December 11th is the day in 1980 that the Comprehensive Environmental Response, Compensation, and Liability Act, also known as CERCLA or Superfund, is enacted by the U.S. Congress.