General fact: 48 is the number of Ptolemaic constellations.
Mathematical fact: 48 is a double factorial of 6, a highly composite number.
Trivia: 48 is the number of Ptolemaic constellations.
Historical date: February 17th is the day in 1871 that the victorious Prussian Army parades though Paris, France after the end of the Siege of Paris during the Franco-Prussian War.