Third Age 2805, abbreviated TA 2805, is the 2805th year of the Sun of the Third Age of Middle-earth. Third Age 2805 was also known as SR 1205 in Shire Reckoning.
- Great floods devastate Enedwaith and Minhiriath.
- Tharbad is ruined and deserted.
- Arador, the son of Argonui, becomes fourteenth Chieftain of the Dúnedain.