Fatto generale: 110 is the number of stories (by common reckoning) of the Sears Tower in Chicago.
Fatto matematico: 110 is the smallest number that is the product of two different substrings.
Trivia: 110 is the atomic number of darmstadtium.
Data storica: April 19th is the day in 1782 that John Adams secures the Dutch Republic's recognition of the United States as an independent government.