Warning: Wikipedia contains spoilers

(From J. R. R. Tolkien's fictional universe Middle-earth)

Ages of the World

  • Before the Ainur were made. Duration: Infinite.
  • Before Eä (the universe) was made. Duration: Not specified.
  • Before Arda (the world) was made. Duration: Not specified.
  • The earliest age of Arda, when the Valar shaped the world. Duration: Not specified.
  • The Years of the Lamps. Duration: Not specified.
  • The Years of the Trees
    • The first Age of the Two Trees, and the beginning of the count of Time. Duration: Not specified.
    • (Possibly a separate age here, when the Elves awoke.)
    • The first age of the captivity of Melkor. Duration: Not specified.
    • The second age of the captivity of Melkor. Duration: Not specified.
    • The third age of the captivity of Melkor. Duration: Not specified.
    • The age in which Melkor lived in Valinor.
  • The Years of the Sun