Fatto generale: 1056 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1056 is the area of the smallest non-square rectangle that can be tiled with integer-sided squares.
Trivia: 1056 is an unremarkable number.
Data storica: November 21st is the day in 1386 that Timur of Samarkand captures and sacks the Georgian capital of Tbilisi, taking King Bagrat V of Georgia captive.