jun 1, 2373 - Battle of Sector 001

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In 2373, the Borg launched their second invasion of the Federation, and again the crew of the Enterprise played a major role in their defeat. Initially, the Enterprise was not to have participated in the Battle of Sector 001, because according to Starfleet Command, Picard would bring an "unstable element into a critical situation." Seeing that the Borg were getting the best of the fleet, Picard ordered the Enterprise to Earth to assist. He was instrumental in defeating both the main invasion and an attempt by the Borg to prevent the formation of the Federation by altering history. (Star Trek: First Contact)

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