Tolkien Gateway

Fourth Age 171

Timeline of Arda
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Year of
the Sun:

Fourth Age 171 (abbreviated to Fo.A. 171 or F.O. 171) is the 171st year of the Sun of the Fourth Age of Middle-earth. Unless otherwise stated, Tolkien Gateway follows Shire usage in Appendix B for reckoning Fourth Age years: Fourth Age 171 was also known as S.R. 1592 in Shire-reckoning.

Notable events in this year include:


  1. This takes place in year Fourth Age 172 by the reckoning of Gondor.


  1. J.R.R. Tolkien, The Lord of the Rings, "Prologue", "Note on the Shire Records"