"CHRISTMAS YULE TRADITIONS VIKING ORIGINS"
"Yule was a historical religious festival observed by the ancient Germanic peoples. Yule celebration predates Christian holiday and tradition by thousands of years in Scandinavia.
The earliest recorded evidence to Yule is in the Germanic month names Ærra Jéola/Jiuli which is before Yule and Æftera Jéola after Yule..."
Source: https://inventorybag.com/blogs/normandescendants/christmas-yule-traditions-viking-origins