general_fact: 23 is the number of crosses on Calvary in the Monty Python film Life Of Brian.
math_fact: 23 is a Wedderburn–Etherington number.
trivia: 23 is the number of enigma that plays a prominent role in the plot of The Illuminatus! Trilogy by Robert Shea and Robert Anton Wilson.
historical_date: January 23rd is the day in 1789 that Georgetown College, the first Catholic University in the United States, is founded in Georgetown, Maryland (now a part of Washington, D.C.).