years: 1952 1953 1954 1955 1956 1957 1958

(stardates from 1955.0)

decades: 1920s 1930s 1940s 1950s 1960s 1970s 1980s
centuries: 19th century - 20th century - 21st century

1955 was, on Earth's calendar, the 56th year of the 21st century, and the sixth year of the 1950s decade. Although this was a time period before Human formulation of stardates, this era begins with stardate 1955.0.



Births and deathsEdit

Alternate timelinesEdit


References and notesEdit

  1. TTN novel: Orion's Hounds.
  2. TNG novel: Ghost Ship.
  3. TOS - The New Voyages short story: "Mind-Sifter".
  4. TOS comic: "A Bomb in Time".
  5. TOS episode: "Miri"
  6. TOS novel: The Cry of the Onlies
  7. 7.0 7.1 TOS - Crucible novel: Provenance of Shadows
  8. TOS short story: "Mind-Sifter"


Title Series Date Media Notes Image
From History's Shadow

Chapter 10
The Original Series January 14, 1955 novel From History's Shadow cover

Provenance of Shadows

(Timeline 2)
Chapter 52, Section 2
The Original Series 1955 novel Alternate-timetrack history of what would have occurred on Earth, had Dr. McCoy prevented Edith Keeler's death in 1930. McCoy killed by invading Nazi soldier. Crucible1

External linksEdit