Knattleikr is a game known from the Icelandic sagas. It's rules are not known, but it is known that it involved a bat and a ball, and that people could get injured playing it. This article discusses an attempt to recreate the game.
The standard French playing card deck has the Jack of Spades as Hogier, probably a reference to Holger the Dane, who is first mentioned in the French 'Chanson de Roland' as a Danish antagonist of Charlemagne. Thanks to Northern Displayers for this…