List of events which occurred on the 20th of February.
Events[]

- 1835
- Charles Darwin aboard the HMS Beagle observes a severe earthquake.
- 1895
- United States diplomat Frederick Douglass dies.
- 1934
- The cyclotron is patented in the United States.
- 1962
- The aircraft carrier USS Enterprise tracks John Glenn's historic launch aboard Freedom 7 as he becomes the first American to orbit Earth. (Star Trek: The Magazine vol. 2, Issue 7: "Enterprise Lineage from Schooner to Starship")
- 1986
- The core module of Earth's space station Mir is launched.
Appendices[]
Calendar of publication and production[]

- 1971
- TOS comic: "I, Emperor" begins with the 1st installment, in TV21 Weekly #74.
- 1980
- The 39th installment of TOS comic: "Dilithium Dilemma" is published in daily newspapers by the Los Angeles Times Syndicate.
- 1981
- The 34th installment of TOS comic: "Heads of State" is published.
- 1982
- The 118th installment of TOS comic: "Restructuring Is Futile" is published.
- 1989
- TNG episode: "The Dauphin" airs (week of).
- 1995
- VOY episode: "Eye of the Needle" airs.
- 2007
- ST - Mirror Universe anthology: Glass Empires is published by Pocket Books.
- 2013
- TOS comic: "The Voice of a Falling Star" and TOS - Countdown to Darkness comic: "Issue 2" are released by IDW Publishing.
- 2020
- PIC episode: "Stardust City Rag" debuts on CBS All Access.
- Hardcover omnibus Graphic Novel Collection, Volume 100 by Eaglemoss Collections reprints TOS miniseries: Mission's End.
External link[]
- 20 February article at Memory Alpha, the wiki for canon Star Trek.