Hecho general: 1966 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 1966 is a boring number.
Trivia: 1966 is an uninteresting number.
Fecha histórica: May 19th is the day in 1536 that Anne Boleyn, the second wife of Henry VIII of England, is beheaded for adultery, treason, and incest.