He has larger commands such as the battle in Brethil against a Legion of Orcs as Captain commanding the axe-armed Sindar with Halmir and the Haladin archers.
These centred around a series of wars waged by the Sindar, the Noldor and the Three Houses of the Edain against the armies of Angband and the evil Men from the East.
It is not otherwise mentioned until the Second Age, when the Sindarin lords Oropher and Amdír established two Silvan Elf kingdoms in Northern Greenwood and in Lórinand (Lórien).
Many of them were later ruled over by a small population of social elites who were Sindar (Grey Elves) or even Noldor (High Elves).
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According to notes made by Tolkien after the publication of Lord of the Rings and found in Unfinished Tales, Oropher, the Sindarin king of the Silvan Elves of Mirkwood, or Greenwood the Great as it was then known, raised a large force as part of the Last Alliance to overthrow Sauron.