Fatto matematico: 4303 is the number of triangles of any size contained in the triangle of side 25 on a triangular grid.
Trivia: 4303 is an uninteresting number.
Data storica: October 12th is the day in 1991 that Askar Akayev, previously chosen President of Kyrgyzstan by republic's Supreme Soviet, is confirmed president in an uncontested poll.