Fatto matematico: 5594 is the number of ways to dissect a 14-gon using non-crossing diagonals into polygons with an even number of sides.
Trivia: 5594 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: April 25th is the day in 1707 that the Habsburg army is defeated by Bourbon army at Almansa (Spain) in the War of the Spanish Succession.