Sauron's darkness over Mirkwood lifted after his defeat in The Lord of the Rings, freeing the forest from evil creatures and dangers. Galadriel used her power to destroy Sauron's stronghold, Dol ...
In the year 1000 of the Third Age, Sauron and his remaining orc army attacked the Silvan capital of Amon Lanc, driving out the elves and building the stronghold of Dol Guldur. From there ...