The New Thing I Learned Today

I might have only learned one new thing today. This is it:

The playing cards have been known to have names. At least, the face cards have. They were mainly named after French nobility.

Paris court cards traditional names

King of Spades: David
King of Hearts: Charlemagne
King of Diamonds: Julius Caesar
King of Clubs: Alexander the Great

Queen of Spades: Pallas
Queen of Hearts: Judith
Queen of Diamonds: Rachel
Queen of Clubs: Argine (origin Italian, meaning river bank; possibly an anagram of regina, which is Latin for queen)

Knave of Spades: Ogier the Dane/Holger Danske (a knight of Charlemagne)
Knave of Hearts: La Hire (comrade-in-arms to Joan of Arc)
Knave of Diamonds: Hector
Knave of Clubs: Judas Maccabeus

Maybe today, this can be your new thing.