The Fourth Age is mainly outside the scope of Tolkien's legendarium, beginning the suggested transition to the historical period, but Tolkien gives a summary of the first two centuries of the Fourth Age.
Zaman Keempat berada di luar legendarium Tolkien, mulailah saran transisi untuk periode sejarah, tetapi Tolkien memerikan ringkasan dari dua abad pertama dalam Zaman Keempat.