Hecho matemático: 51963 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 51963 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: April 8th is the day in 1975 that Frank Robinson manages the Cleveland Indians in his first game as major league baseball's first African American manager.