Fatto matematico: 2397 is the number of intersections when all the diagonals of a regular 17-gon are drawn.
Trivia: 2397 is a boring number.
Data storica: July 24th is the day in 1935 that the dust bowl heat wave reaches its peak, sending temperatures to 109°F (44°C) in Chicago and 104°F (40°C) in Milwaukee, Wisconsin.