During the Battle of the Pelennor Fields, the Witch-king himself was slain by Éowyn and Merry: Merry's surreptitious stroke with an enchanted Barrow-blade drove the Witch-king to his knees, allowing Éowyn, the niece of Théoden, to drive her sword between his crown and mantle. Thus was the Witch-king destroyed by a woman and a Hobbit, fulfilling the prophecy that "not by the hand of man will he fall".Both weapons that pierced him disintegrated, and both assailants were stricken with the Black Breath.
What can you see on the horizon? Why do the white gulls call? Across the sea, a pale moon rises, The ships have come to carry you home. During the Fourth Age, it was one of the last Elven havens as the remaining Elves of Rivendell and Lothlórien left Middle-earth. In the beginning of the first century, Fourth Age, it experienced a population growth as migrants from the east came to Mithlond. Not all Elves left Middle-earth immediately, many of the migrants made long-term temporary settlements.
Aside from Elves, Gandalf, Bilbo Baggins and Frodo Baggins also went to Valinor from the Grey Havens, and a family tradition held that Samwise Gamgee, having been himself a Ring-bearer, albeit briefly, did likewise, in the year 1482 of the Shire Reckoning, Fourth Age 61. It was also told in the Red Book of Westmarch, that after Aragorn's death Legolas built a grey ship and left Middle-earth to go to Valinor, and that Gimli went with him.