Hecho general: 2800 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 2800 is an uninteresting number.
Trivia: 2800 is a boring number.
Fecha histórica: August 31st is the day in 1963 that Sarawak, North Borneo and Singapore achieve technical independence pending accession to the Federation of Malaysia.