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23rd Century

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The U.S.S. Enterprise, one of the most famous Starfleet ships of the 23rd century

The 23rd Century is a span of 100 Earth years that started in 2201 and ended in 2300. The century is defined by several conflicts among the powers of the Alpha and Beta Quadrants of the Galaxy. Despite constant threats, the United Federation of Planets faces an unprecedented growth and advancement of science and society.

The 23rd century is the starting point for both the DSC Starfleet and TOS Starfleet factions, as well as the settings of several missions for other factions.

Timeline[edit | edit source]

2201-2249[edit | edit source]

2245[edit | edit source]

  • Starfleet and Klingon forces fight the Battle of Donatu V
  • The U.S.S. Enterprise is commissioned under the command of Robert T. April

2250s (Star Trek: Discovery)[edit | edit source]

2250[edit | edit source]

2256[edit | edit source]

The U.S.S. Glenn in service during the Federation-Klingon War

2257[edit | edit source]

  • As the Federation-Klingon War rages on, more than 20% of Federation territory is lost and Starfleet expects to lose the war.
  • Starbase 1 is lost to Klingon Forces of House D'Ghor, while matriarch J'Ula and several Starfleet officers disappear during the battle. ( “Downfall”)
  • Following an intervention by the U.S.S. Discovery, the new Klingon chancellor L'Rell agrees to a cease fire between the Klingon Empire and the Federation, ending the Federation-Klingon War.

2260s (Star Trek: The Original Series)[edit | edit source]

2265[edit | edit source]

Drozana Station in pristine condition

2266[edit | edit source]

2267[edit | edit source]

Paradise City on Nimbus III is established in 2267

2268[edit | edit source]

2270s (Star Trek Online: Agents of Yesterday)[edit | edit source]

2270[edit | edit source]

Natives of Taurus II attacking a crashed Federation starship in 2270

2271[edit | edit source]

2280 to 2299 (Star Trek I-IV)[edit | edit source]

2285[edit | edit source]

The Excelsior class is commissioned in 2285

2286[edit | edit source]

2287[edit | edit source]

2289[edit | edit source]

2293[edit | edit source]

2294[edit | edit source]

Alternate realities[edit | edit source]

  • In an alternate reality created by the Na'kuhl meddling of the Babel Conference, the Federation annexed Coridan, and by 2270 the situation has degraded further with an opposition movement taking hostages. ( “Return to Babel”)
  • In another alternate timeline, this time created by a Na'kuhl attack on the Tholians in 2268, Tholians began mobilizing their troops in 2270 against the Federation thinking they had been responsible for the unprovoked attacked two years earlier. ( “Tangled Webs”)
  • In the Kelvin Timeline, the Tuterians used the Klingons of that reality to defend their sphere network. ( “Terminal Expanse”)

Other notable events[edit | edit source]

Spock was born (and reborn) in the 23rd century

Births[edit | edit source]

Deaths[edit | edit source]

First Contacts (United Federation of Planets)[edit | edit source]

Official[edit | edit source]

Starship classes[edit | edit source]

Class F Shuttles were in service for Starfleet during the 23rd century

Missions[edit | edit source]

External links[edit | edit source]

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In-game years
Distant Past22nd Century23rd Century24th Century25th CenturyFuture
See also
Chronology (overview)Original FictionPath to 2409/LoreThe Needs of the ManyLore BlogsTales of the WarPost War EraTime travelRomulan History