general_fact: 23 is the number of minutes that all flashbacks take place before the assassination attempt on the president in the film Vantage Point.
math_fact: 23 is the ninth prime number, the smallest odd prime that is not a twin prime.
trivia: 23 is the number of times Julius Caesar was stabbed.
historical_date: January 23rd is the day in 1510 that Henry VIII of England, then 18 years old, appears incognito in the lists at Richmond, and is applauded for his jousting before he reveals his identity.