Fatto generale: 1098 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1098 is an uninteresting number.
Trivia: 1098 is an uninteresting number.
Data storica: January 2nd is the day in 1927 that Angered by the anti-clerical provisions of the Mexican Constitution of 1917, Catholic rebels in Mexico rebelled against the government.