First Siege of Imladris
The First Siege of Imladris was a siege during the War of the Elves and Sauron. Elrond had fled with the survivors of Eregion to the North where he built a haven and fortress to hold out against Sauron he named it Imladris or Rivendell in the common tongue. In 1697 SA Imladris came under siege by the forces of Sauron, and was cut off from Lindon and Khazad-dûm. In 1700 the siege was broken and Sauron was defeated at The Battle of the Gwathló.