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For information about Star Trek releases and related events in the 20th century, please see the early production history or the production timeline.
"Bones, do you remember the twentieth century brush wars on the Asian continent? Two giant powers involved, much like the Klingons and ourselves. Neither side felt could pull out. "
"Yes, I remember. It went on bloody year after bloody year."
"What would you have suggested, that one side arm its friends with an overpowering weapon? Mankind would never have lived to travel space if they had. No. The only solution is what happened back then. Balance of power."

The 20th century, defined in the calendar of Earth as the period from 1901 to 2000, was a violent and tense time on Earth, with major conflicts like World War I, World War II, the Cold War and the Eugenics Wars. The dominance gained by the United States of America during these wars would prove to be a crucial circumstance in the prehistory of the Federation.



Major events[]

In North Carolina on Earth, the Wright brothers conduct the first ever powered manned flight by Humans. (ENT opening credit sequence; ENT: "North Star")
Embarking a new era of technological warfare, World War I is fought on Earth from July 1914 until November 1918. (TOS: "Patterns of Force"; ENT: "Storm Front, Part II")
Albert Einstein devises his Theory of General Relativity, a cornerstone for Humans developing technologies like the transporter and warp drive in the future. (TNG: "The Nth Degree")
A civil war breaks out on the planet Xindus, which lasted until the 2030s. (ENT: "The Shipment")
World War II begins on Earth when the nation of Germany launches an invasion of neighboring Poland.
Following German and Japanese aggression against their territories and peoples, the Earth nation known as the Soviet Union abandons its alliance with Germany and the United States of America abandons its official policy of neutrality and both enter World War II on the side of the Allied Powers.
World War II ends with the United States of America being among the victors. (TOS: "The City on the Edge of Forever"; ENT: "Storm Front, Part II"; TNG: "Manhunt")
A Ferengi shuttle from the 24th century crashes on Earth near Roswell, New Mexico, leading to unofficial first contact between Humans and Ferengi. The "aliens" eventually escape and the event is covered up by the USA. (DS9: "Little Green Men")
After their first contact earlier this century, a border dispute begins between Andoria and Vulcan which lasts for the next two hundred years. (ENT: "Proving Ground")
Sputnik 1 becomes the first Human-made satellite to be launched into Earth's orbit. An investigating Vulcan ship crash-lands on Earth near Carbon Creek, Pennsylvania, leading to unofficial first contact between Humans and Vulcans. (ENT: "Carbon Creek")
The National Aeronautics and Space Administration is chartered by the United States of America and remains Earth's premiere spacefaring organization until the founding of the United Earth Space Probe Agency, ca. 2067. It is responsible for the space exploration missions which involved the launching of Voyager 6 during the late 20th century and Charybdis during the first half of the 21st century (in 2037). (Star Trek: The Motion Picture; TNG: "The Royale")
After Gary Seven secretly sabotages the launch of an American orbital nuclear warhead platform, a new and stronger agreement against the use of such weapons is made. (TOS: "Assignment: Earth")
The Earth spacecraft Apollo 11 lands on the Moon, recording Humanity's first steps on another world. (TOS: "Tomorrow is Yesterday"; VOY: "11:59", "Nightingale", "One Small Step")
The European Space Agency is established with France among its ten founding member nations. (ENT: "First Flight")
Dr. Gillian Taylor of the Cetacean Institute in Sausalito, California, protects, exhibits and studies two Humpback whales, a Terran endangered species. Also, Dr. Nichols of Plexicorp invents transparent aluminum. (Star Trek IV: The Voyage Home)
Having cost the lives of over thirty million Humans, the Eugenics Wars, brought about in 1993 by a group of genetically-engineered "supermen" lead by Khan Noonien Singh, come to an end with their defeat. Khan and over fifty of his followers leave Earth aboard the SS Botany Bay. (TOS: "Space Seed"; Star Trek II: The Wrath of Khan; VOY: "Future's End"; ENT: "The Augments")
The International Space Station is completed and is an international effort between fifteen nation-states, including the United States of America, Canada, Russia, and Japan. (ENT: opening credits)

Events without specified years[]

19th century Timeline 21st century


20th century productions[]

External links[]