The Iron Age began around 500 to 400 BCE in present-day Denmark and northern Germany, marking the emergence of Germanic languages. Archaeological evidence from this period reveals a cultural patchwork that evolved under wide-ranging influences from earlier Scandinavian religions. Some Bronze Age motifs, such as the wheel cross, reappear in later Iron Age contexts even though solar-oriented belief systems likely died out around 500 BCE. Tacitus wrote accounts of these Germanic peoples around 100 CE, describing priests, open-air sacred sites, and seasonal sacrifices. These observations help explain later Old Norse religion, which developed during the Proto-Norse period when North Germanic peoples separated into distinct branches. The earliest known usage of the term heiðinn appears in the poem Hákonarmál, indicating that Christianity generated consciousness of Old Norse religion as a distinct entity. During the Viking Age, Norse people left Scandinavia and settled throughout Northwestern Europe, bringing their belief system with them. Norwegian settlers colonized Iceland in the 870s, carrying their religious practices to an island where Thor was the most popular god. Place-name evidence suggests that Thor remained the dominant deity on the island, while no place-names connected to Odin exist there. Unlike other Nordic societies, Iceland lacked a monarchy and centralizing authority, allowing both Old Norse and Christian communities to coexist from the time of first settlement.
Deities And Mythology
Old Norse religion was polytheistic, featuring many anthropomorphic gods and goddesses who expressed human emotions and sometimes had children. One god, Baldr, is said in myths to have died, while Loki remains imprisoned beneath the earth until Ragnarok when he will fight against the gods. Major deities among the Aesir include Thor, often referred to as Asa-Thor, Odin, and Tyr. Very few Vanir are named in sources: Njordr, his son Freyr, and his daughter Freyja. Some mythographers suggest the war between Aesir and Vanir reflects recollection of conflict between adherents of different belief systems in Scandinavia. The universe began as a void known as Ginnungagap before Ymir appeared, followed by gods who lifted the earth out of the sea. Völuspá portrays Yggdrasil as a giant ash tree where deities meet daily to pass judgment. Grímnismál claims that a serpent gnaws at its roots while a deer grazes from higher branches, with a squirrel running between them exchanging messages. The term Yggr means terrifier and is a synonym for Oðinn, making Yggdrasil mean Oðinn's Steed. The Ragnarok story suggests an idea of inescapable fate pervaded Norse worldviews, possibly reflecting the period of conflict between paganism and Christianity. Many scholars believe the giants were not worshipped, though this has been questioned. Localized and ancestral deities remained strong presences among Finns and Sámi even after Christianization.