For information about 1986 in the fictional Star Trek universe, please see 1986.
Events[]
January[]
- 6 January – Shane Sweet is born.
- 14 January – Shawn Ahmed is born.
- 28 January – The space shuttle Challenger explodes 78 seconds after liftoff, killing seven astronauts. Star Trek IV: The Voyage Home is dedicated to the memory of the Challenger crew.
- Unknown day – Pocket TOS #27: Mindshadow by J.M. Dillard is published by Pocket Books.
February[]
- 1 February – Luke Marty is born.
- 14 February – Cody and Kurt Wetherill are born.
- 16 February – Chloé Wepper is born.
- 24 February – Filming begins on Star Trek IV: The Voyage Home.
- 25 February – Jameela Jamil is born.
March[]
- 2 March – Ethan Peck is born.
- 14 March – Tauren Deatherage is born.
- 19 March – Jon Lormer dies.
- 27 March – Bonnie Gordon is born.
- Unknown day –
- Pocket TOS #28: Crisis on Centaurus by Brad Ferguson is published by Pocket Books.
- DC TOS volume 1 #24: "Double Blind, Part One"
April[]
- 12 April – Alden Adair is born.
- 20 April – Winnie McCarthy dies.
- 23 April – Harold Arlen and Kaem Wong die.
- 25 April – Star Trek: The Motion Picture premieres in East Germany.
- 26 April – Peter Mabrucco is born.
- 28 April – Renie Rivas is born.
- Unknown day – DC TOS volume 1 #25: "Double Blind, Part II"
May[]
- 6 May – Tyler Hynes is born.
- 8 May – Abby Trott is born.
- 12 May –
- Filming ends on Star Trek IV: The Voyage Home.
- Larc Spies is born.
- 21 May – David Ajala is born.
- 31 May – Ish Morris is born.
- Unknown day – Pocket TOS #29: Dreadnought! by Diane Carey is published by Pocket Books.
June[]
- 7 June – Peter Bogatsky is born
- 15 June – Geri-Nikole Love is born.
- 29 June – Ache Hernandez is born.
July[]
- 2 July – Jonathan Koensgen is born.
- 11 July – Elana Dunkelman is born.
- 18 July – Monika Spruch is born.
- 20 July – Osric Chau is born.
- Unknown day – Pocket TOS #30: Demons by J.M. Dillard is published by Pocket Books.
August[]
- 2 August – Sean Cochran is born.
- 3 August – Philip Murphy is born.
- 7 August – Tricia Black is born.
- 8 August – Peyton List is born.
- 13 August – Anna Seltzer is born.
- 14 August – Olli Haaskivi is born.
- 26 August – Ted Knight dies.
- 29 August – Nicole Byer and Ian Nsenga are born.
- Unknown day' – Monisola Akiwowo is born.
September[]
- 1 September – Davida Williams is born.
- 3 September – Robert Stambler is born.
- 11 September – Thomas Cadrot is born.
- 20 September – Aldis Hodge is born.
- 26 September – Sarah Rayne is born.
- 30 September – Yumarie Morales is born.
- Unknown day – Pocket TOS Enterprise: The First Adventure by Vonda N. McIntyre is published by Pocket Books.
October[]
- 10 October – A press conference is held, in which Paramount first announces the plans for a new Star Trek television series, to wit Star Trek: The Next Generation, as revealed by Paramount Executive Mel Harris.
- 17 October – E. Nova Zatzman is born.
- Mid-October – Robert H. Justman, Edward K. Milkis, David Gerrold, and D.C. Fontana, all Star Trek: The Original Series veterans, are assembled by Gene Roddenberry to form the original Next Generation nucleus production team.
- 31 October – Andrew Ewert is born.
November[]
Star Trek IV: The Voyage Home
- 4 November – Sarah Booth is born.
- 11 November – Roger C. Carmel dies.
- 18 November – Georgia King is born.
- 21 November – Star Trek IV: The Voyage Home premieres in Canada.
- 26 November – Star Trek IV: The Voyage Home, directed by Leonard Nimoy, premieres in the US.
- 29 November – Marshall A. Bingham is born.
- Unknown day – Alex Spencer is born.
- Pocket TOS #31: Battlestations! by Diane Carey is published by Pocket Books.
December[]
- 1 December –
- Jesse Littlejohn is born.
- Harvey P. Lynn dies.
- 4 December – Jin Maley is born.
- 5 December – D.C. Fontana finished her first story for "Encounter at Farpoint", titled "Meeting at Farpoint".
- 17 December – Bjarki Thor Palsson is born.
- 18 December – Star Trek IV: The Voyage Home premieres in Australia.
- 22 December – Alan Wan is born.
- 23 December – Noël Wells is born.
- 25 December – Emmanuel Kabongo is born.
- 28 December – Victoria Atkin is born.
- 31 December – Lloyd Haynes and Harvey P. Lynn die.
- Unknown day –
- Strange & Amazing Facts About Star Trek by Daniel Cohen is published by Archway Books.
- Pocket TOS Star Trek IV: The Voyage Home by Vonda N. McIntyre is published by Pocket Books.