General fact: 110 is the number of stories of both towers of the former World Trade Center in New York.
Mathematical fact: 110 is the smallest number that is the product of two different substrings.
Trivia: 110 is a card game related to Forty-five (card game).
Historical date: April 19th is the day in 65 that the freedman Milichus betrayed Piso’s plot to kill the Emperor Nero and all the conspirators were arrested.