Turambar's defeat of the Easterlings is a character.
Details
Occurred in
The SilmarillionAppendix B: The Tale of Years (Chronology of the Westlands), 'The Third Age'The Atlas of Middle-earth, The Third Age, 'The Kingdoms of the Dúnedain'Appendix A: Annals of the Kings and Rulers, I: The Númenórean Kings, (iv): 'Gondor and the Heirs of Anárion'