Fatto matematico: 1828 is the 6^{th} meandric number and the 11^{th} open meandric number.
Trivia: 1828 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: January 1st is the day in 1259 that Michael VIII Palaiologos is proclaimed co-emperor of the Empire of Nicaea with his ward John IV Laskaris.