In the fictional high fantasy-world of J. R. R. Tolkien, the War of the Ring was fought between Sauron and the free peoples of Middle-earth for control of the One Ring and dominion over the continent. The War of the Ring took place at the end of the Third Age. Together with the Quest of Mount Doom, it is one of the overarching events of The Lord of the Rings.  Gandalf led the free peoples of Middle-earth to victory over the Dark Lord.