Heathenry, equally referred to as Heathenism, is the original belief system of the ancient Northern Europeans. This term is also used for the overall revival of the faith. Modern Heathenry has many , including Ásatrú, Anglo-Saxon Heathenry, Forn Sed, and Odinism. Ancient Heathenry has left its mark on European and Western culture in many ways, namely the holiday Yule (now under the common name "Christmas" in the English language), as well as the days of the week being named for our . Heathenry is an officially-recognized faith in Iceland, as well as several other European nations.