General fact: 174 is the length in miles of the The Columbia University Library System collection, with over 9.3 million volumes, if stretched end-to-end.
Mathematical fact: 174 is the smallest number that can be written as the sum of of 4 positive distinct squares in 6 ways.
Trivia: 174 is the number of miles the Columbia University Library System collection, with over 9.3 million volumes, would stretch end-to-end.
Historical date: June 22nd is the day in 1978 that Charon, a satellite of the dwarf planet Pluto, is discovered by American astronomer James W. Christy.