White horse (mythology) Poseidon was also the creator of horses, creating them out of the breaking waves when challenged to make a beautiful land animal. In Norse mythology, Odin's eight-legged horse Sleipnir, "the best horse among gods and men", is described as grey. Sleipnir is also the ancestor of another grey horse, Grani, who is owned by the hero Sigurd. In Slavic mythology, the war and fertility deity Svantovit owned an oracular white horse; the historian Saxo Grammaticus, in descriptions similar to those of Tacitus centuries before, says the priests divined the future by leading the white stallion between a series of fences
Old Norse religion religion. Old Norse religion was polytheistic, entailing a belief in various gods and goddesses. Norse mythology divided these deities into two groups, the Æsir and the Vanir, who engaged in an ancient war until realising that they were equally powerful. Among the most widespread deities were the gods Odin and Thor. This world was inhabited also by various other mythological races, including giants, dwarfs, elves, and land-spirits. Norse cosmology revolved around a world tree known as Yggdrasil, with various realms existing alongside that of humans, named Midgard. These include multiple afterlife realms, several of which are controlled by a particular