Witch-king comes to Mordor and gathers the Nazgûl
Event Type: General
Age: 3rd Age - The Kings
An event in the aftermath of the Battle of Fornost and the prelude to the Fall of Minas Ithil — Third Age; see those entries for overviews:
The Witch-king comes to Mordor and there gathers the Nazgûl.
The Return of the King, LoTR Appendix B, The Tale of Years: The Third Age
It was thus in the reign of King Eärnil, as later became clear, that the Witch-king escaping from the North came to Mordor, and there gathered the other Ringwraiths, of whom he was the chief.
The Return of the King, LoTR Appendix A, Annals of the Kings and Rulers: The Realms in Exile: The Southern Line: Heirs of Anárion
[The] Sorcerer-king of Angmar, chief of the Úlairi,... came to Mordor, and built up a new power.
The Peoples of Middle-Earth, HoME Vol 12, Part 1, Ch 7, The Heirs of Elendil: The Southern Line of Gondor: The Anárioni
[Evil] entered again into the Black Land secretly, and the ashes of Gorgoroth were stirred as by a cold wind, for dark shapes gathered there. It is said that these were indeed the Úlairi, whom Sauron called the Nazgûl, the Nine Ringwraiths that had long remained hidden, but returned now to prepare the ways of their Master, for he had begun to grow again.
The Silmarillion, Of the Rings of Power and the Third Age
Elena Tiriel 18Aug07