Northmen of Rhovanion enslaved by the Wainriders
Event Type: Political
Age: 3rd Age - The Kings
The result of an early defeat in Gondor's Wars with the Wainriders; see that entry for a description of the enemy and an overall timeline of the wars:
[The Wainriders] made a sudden assault [the Battle of the Plains] upon Gondor, and King Narmacil II was slain in battle with them beyond Anduin in 1856. The people of eastern and southern Rhovanion were enslaved....
The Return of the King, LoTR Appendix A, Annals of the Kings and Rulers: Gondor and the Heirs of Anárion
As for the Northmen, a few, it is said, fled over the Celduin (River Running) and were merged with the folk of Dale under Erebor (with whom they were akin), some took refuge in Gondor, and others were gathered by Marhwini son of Marhari ... Most of the Northmen were reduced to servitude, and all their former lands were occupied by the Wainriders.
Unfinished Tales, Part 3, Ch 2, Cirion and Eorl and the Friendship of Gondor and Rohan: The Northmen and the Wainriders
Elena Tiriel 18Jul04