The

Third Age In J. R. R. Tolkien's legendarium, the history of Arda, also called the history of Middle-earth, began when the Ainur entered Arda, following the creation events in the Ainulindalë and long ages of labour throughout Eä, the fictional un ...

is the era during which

J. R. R. Tolkien John Ronald Reuel Tolkien (, 3 January 1892 – 2 September 1973) was an English writer and philologist. He was the author of the high fantasy works ''The Hobbit'' and ''The Lord of the Rings''. From 1925 to 1945, Tolkien was the Rawlinson ...

's ''The Lord of the Rings'' fantasy novel is set, and part of Tolkien's broader

Middle-earth legendarium Middle-earth is the Setting (narrative), setting of much of the English writer J. R. R. Tolkien's fantasy. The term is equivalent to the ''Midgard, Miðgarðr'' of Norse mythology and ''Middangeard'' in Old English works, including ''Beowulf'' ...

. Related pages include: * '' The Lord of the Rings: The Third Age'', a 2004 video game * ''The Lord of the Rings: The Third Age'' (Game Boy Advance), a 2004 video game Third Age may also refer to: *

Third age (retirement) Old age is the range of ages for people nearing and surpassing life expectancy. People who are of old age are also referred to as: old people, elderly, elders, senior citizens, seniors or older adults. Old age is not a definite biological sta ...

, active retirement *

Third Age Foundation (UK) The Third Age Foundation is an organisation which was set up in 1993, and is based in London, United Kingdom. TAFs' main objective is to help disadvantaged people (40+) find a new direction, upskill them in up-to-date computer technology, includi ...

, a UK-based non-profit organization *

University of the Third Age The University of the Third Age (U3A), is an international movement whose aims are the education and stimulation of mainly retired members of the community — those in their third 'age' of life. There is no universally accepted model for the U ...

, a UK-based international organization * The time period during which ''

The Wheel of Time ''The Wheel of Time'' is a series of high fantasy novels by the American author Robert Jordan, with American author Brandon Sanderson as co-writer of the final three installments. Originally planned as a trilogy, ''The Wheel of Time'' came to ...

'' series takes place * The third age of mankind, during which ''

Babylon 5 ''Babylon 5'' is an American space opera television series created by writer and producer J. Michael Straczynski, under the Babylonian Productions label, in association with Straczynski's Synthetic Worlds Ltd. and Warner Bros. Domestic Tel ...

'' takes place *

Tertiary Tertiary (from Latin, meaning 'third' or 'of the third degree/order..') may refer to: * Tertiary period, an obsolete geologic period spanning from 66 to 2.6 million years ago * Tertiary (chemistry), a term describing bonding patterns in organic ch ...

, a former geological period spanning from 66 to 2.6 million years ago.

See also