In Norse mythology, Gjallarhorn is a horn associated with the god Heimdallr and the wise being Mímir. The sound of Heimdallr's horn will herald the beginning of Ragnarök, the sound of which will be he
Bronze horn from 899-700 B.C. Påarp, Sweden.
Heimdallr blows into Gjallarhorn in an 1895 illustration by Lorenz Frølich
The Gosforth Cross panel often held to depict Heimdallr with Gjallarhorn
Detail of a copy of one of the two Golden Horns of Gallehus
In Norse mythology, Ragnarök is a foretold series of impending events, including a great battle in which numerous great Norse mythological figures will perish; it will entail a catastrophic series of
Gjallarhorn
…loud sounding horn") is a horn associated with the god Heimdallr and the wise being Mímir. The sound of Heimdallr's horn will herald the beginning of Ragnarök, the sound of which will be heard in all corners of the world. Gjallarhorn is attested in the Poetic Edda, compiled in the 13th century from earlier…
The north portal of the 12th-century Urnes stave church has been interpreted as containing depictions of snakes and dragons that represent Ragnarök.
Then the Awful Fight Began (by George Wright, 1908)
Odin and Fenrir, Freyr and Surt (by Emil Doepler, 1905)
Thor and the Midgard Serpent (by Emil Doepler, 1905)