Battle of Helm's Deep

The Battle of Helm's Deep, also known as the Battle of the Hornburg, Battle of the Deep, Battle of the Deeping Valley, Great Battle of Rohan, or the Battle against the White Hand, is the largest battle in the War of the Ring. The battle is fought between the Rohirrim forces who served under King Théoden Ednew, the King of Rohan, and the forces loyal to Saruman, the ruler of Isengard.