TA 2509

in TA 2509, Cirion the Steward of Gondor sent summons to the Éothéod for aid in throwing off a combined invasion of Men from the north-east of Middle-earth, and Orcs from Mordor.

Eorl the Young, king of the Éothéod, answered the summons, and arrived unexpected at a decisive battle at the Field of Celebrant.

As a reward, Eorl was given the plains of Calenardhon, and he moved his kingdom there.