Hecho matemático: 1787 is the number of different arrangements (up to rotation and reflection) of 12 non-attacking queens on a 12×12 chessboard.
Trivia: 1787 is a boring number.
Fecha histórica: November 21st is the day in 1964 that the Verrazano-Narrows Bridge opens to traffic (at the time it is the world's longest suspension bridge).