13 September

Events which occurred on 13 September.

On Earth

• 1951 - Bruce Phillips, who would play Grimbold in The Lord of the Rings: The Return of the King, is born.
• 1974 - The first Oxonmoot is held in Oxford.
• 1992 - The second part of the radio adaptation of The Adventures of Tom Bombadil is aired on BBC Radio 5.

In Arda

• T.A. 3018:
  • Gandalf is held captive by Saruman on the pinnacle of Orthanc.
  • Boromir travels towards Rivendell to ask for counsel.
• T.A. 3019:
  • Celeborn and Galadriel depart, the rest of the escort set out for Rivendell.