Hecho general: 9993 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 9993 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 9993 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: May 11th is the day in 1970 that the Lubbock Tornado, a F5 tornado, hits Lubbock, Texas, killing 26 and causing $250 million in damage.