Fatto matematico: 1893 is the number of 3×3 sliding puzzle positions that require exactly 14 moves to solve starting with the hole in a corner.
Trivia: 1893 is an unremarkable number.
Data storica: March 7th is the day in 1850 that Senator Daniel Webster gives his "Seventh of March" speech endorsing the Compromise of 1850 in order to prevent a possible civil war.