General fact: 2665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 2665 is the number of conjugacy classes in the automorphism group of the 14 dimensional hypercube.
Trivia: 2665 is an unremarkable number.
Historical date: April 18th is the day in 2007 that the Supreme Court of the United States upholds the Partial-Birth Abortion Ban Act in a 5-4 decision.