15 March

Events that occurred on 15 March.
== In Arda ==
* T.A. 2510:
** Borondir is on his way in search of the Éothéod.
* T.A. 2941:
** Gandalf meets Thorin at the Prancing Pony, and they devise a plan to rid Erebor of Smaug.
* T.A. 3019:
** In the early morning the Witch-king breaks the Gates of Minas Tirith.
** Denethor burns himself on a pyre. Faramir is rescued by Gandalf and Beregond and brought to the Houses of Healing.
** The horns of the Rohirrim echo in the sides of Mindolluin at cockcrow.
** Battle of the Pelennor Fields:
*** Death of Théoden.
*** Éowyn slays the Witch-king with the assistance of Meriadoc Brandybuck.
*** Aragorn arrives on the battlefield and raises the standard of Elendil woven by Arwen.
** Frodo and Samwise escape the Tower of Cirith Ungol and begin their journey north along the Morgai.
** The Battle under the trees in Mirkwood takes place. Thranduil drives back the enemy from Dol Guldur.
** Second assault on Lothlórien.