By Historical Region

Ousekjarr, The Vikings
Ousekjarr is the name of the Cambridge group of The Vikings the UK's oldest and largest Dark Age Re-enactment Society. We recreate the life and military history of the Vikings, Saxons, Celts and Normans between 800-1100AD. Our name means brushwood island in the river Ouse, and is based on the time in the 10th Century when Cambridge was the furthest extent of the Danelaw.
https://www.ousekjarr.org/
Homepage of Gwerin Y Gwyr
Recreation, Living History, By Historical Region, Europe - Gwerin y Gwyr. Reenactment group presents life in the Medieval Period for events, educational programs, and historical monument exhibits.
http://gwerin.org.uk
Order of the Boar (Jousting New Zealand)
Recreation, Living History, By Historical Region, Europe - Order of the Boar (Jousting New Zealand). A Wellington, New Zealand-based group which re-enacts troops on campaign in France during 1350-1400 phase of the Hundred Years War, as well as mounted and unmounted tourney combat.
https://www.jousting.co.nz/
The Order of Selohaar
Recreation, Living History, By Historical Region, Europe - Order of Selohaar. Initiatory order of chivalry and ritual magick, based in Connecticut.
https://www.selohaar.org/
Corvus Corax - Venus Vina Musica
Recreation, Living History, By Historical Region, Europe - Corvus Corax. A German-based musical troupe re-creating the spirit of the medieval minstrels with pipes and drums.
https://www.corvuscorax.de/
Markland Medieval Mercenary Militia
Recreation, Living History, By Historical Region, Europe - Markland Medieval Mercenary Militia. Non-profit historical educational organization operates from Virginia through the New York City area, reenacting medieval life by constructing and using reproductions of the periods accoutrements, for educational and historical events.
https://www.markland.org/
Bran
Recreation, Living History, By Historical Region, Europe - Bran. A Moscow, Russia-based group re-enacting life in 9th and 10th century Ireland.
https://branclub.narod.ru/