On #ThisDayInHistory in 921, the #TreatyOfBonn established a border and friendly relations between #France (#WestFrancia) and #Germany (#EastFrancia). The deal was signed in the #Rhine River by #CharlesTheSimple, a Carolingian king, and #HenryTheFowler, the first Ottonian king.

Throughout the 9th century CE, Viking raids on the region of Francia (roughly modern-day France) increased in frequency, destabilizing the region, and terrorizing the populace. https://www.worldhistory.org/Viking_Raids_on_Paris/ #History #BjornIronside #CharlestheSimple #KingdomofWestFrancia

Rollo (l. https://www.worldhistory.org/Rollo_of_Normandy/ #History #BjornIronside #CharlestheSimple #GiselaofFrance

Gisela of France was a legendary 10th-century CE Francian princess, who, according to tradition, was married off to Viking leader Rollo of Normandy. https://www.worldhistory.org/Gisela_of_France/ #History #CharlestheSimple #GiselaofFrance #KingdomofWestFrancia

Gisela of France was a legendary 10th-century CE Francian princess, who, according to tradition, was married off to Viking leader Rollo of Normandy. https://www.worldhistory.org/Gisela_of_France/ #History #CharlestheSimple #GiselaofFrance #KingdomofWestFrancia

Rollo (l. https://www.worldhistory.org/Rollo_of_Normandy/ #History #BjornIronside #CharlestheSimple #GiselaofFrance

Gisela of France was a legendary 10th-century CE Francian princess, who, according to tradition, was married off to Viking leader Rollo of Normandy. https://www.worldhistory.org/Gisela_of_France/ #History #CharlestheSimple #GiselaofFrance #KingdomofWestFrancia