2153

January

January 10: After the death of his father, Ensign Mayweather visits his family on their cargo ship, the E.C.S. Horizon, and begins to reconsider his place aboard Enterprise. (ENT 46)
January 21: Due to the demands of a militant faction, Enterprise is asked to retrieve a group of Denobulan geologists from an alien cave. (ENT 47)
Unknown: Enterprise encounters the Vissians and Commander Tucker finds himself troubled by the fact that the species' third sex, the Cogenitor, is denied any rights. (ENT 48)

March 1: A group of Borg are revived after a century frozen in the Arctic ice on Earth. (ENT 49)
March 10: Upon the death of a close friend, A.G. Robinson, Captain Archer tells Sub-Commander T'Pol about his early career as an experimental warp engine test pilot. (ENT 50)
March 21: A Tellarite, Skalaar, captures Captain Archer in the hope of collecting a reward from the Klingons, who have been searching for him since his escape from Rura Penthe. (ENT 51)
March 22: The Xindi attack Earth. (ENT 52)

April 24: Enterprise, having been recalled to Earth following the Xindi attack, is refitted before being sent into the Delphic Expanse. Sub-Commander T'Pol resigns her commission with the Vulcan High Command, and Commander Tucker is troubled by the death of his sister, Elizabeth. (ENT 52)

June 26: Enterprise enters the Delphic Expanse. Duras is killed in combat, trying to bring Archer to face Klingon justice. (ENT 52, Epilogue)

September 8: Captain Archer and Lieutenant Reed visit a mining facility in order to track down a Xindi. (ENT 53)
September 29: The crew of Enterprise encounters the rigors of the Delphic Expanse first-hand, and deal with pirates operating from a giant cloaked alien sphere. (ENT 54)

Unknown: While pursuing the Xindi, Archer, Reed, and Sato are exposed to an alien virus and begin to mutate into Loque'eque, a long-dead alien race. (ENT 55)
Unknown: Rajiin, a slave girl whom Archer rescues from an alien bazaar, seeks refuge aboard Enterprise, only to betray the crew. (ENT 56)
Unknown: Enterprise encounters a Vulcan ship whose crew has become unstable due to exposure to the compound Trellium-D. Commander T'Pol soon begins to exhibit the same symptoms. (ENT 57)
Unknown: A telepathic alien offers to help the Enterprise crew, but only if Sato remains on his planet with him.(ENT 58)

Unknown: Captain Archer learns of kemocite, a key element in the weapon being built to destroy Earth, and seeks to follow its supply to the superweapon. (ENT 59)
Unknown: A parasite causes Captain Archer to lose his long-term memory, and in the future, he (with the help of T'Pol and Doctor Phlox) seeks a way to change the past. (ENT 60)
Unknown: Investigating a planet found to be inhabited by Humans, the crew find what appears to be a town from the American West of the 19th century. (ENT 61)
Unknown: Commander Tucker becomes comatose after an accident, and a rapid-growing clone, named Sim, is created for the purpose of harvesting brain tissue. (ENT 62)
Unknown: With the help of Temporal Agent Daniels, Captain Archer and Commander T'Pol go back to 2004 Detroit to stop a group of Xindi Reptilians from releasing a biological weapon. (ENT 63)
Unknown: Religious zealots seek to execute Captain Archer, for supposed acts of sphere desecration, after hijacking Enterprise. (ENT 64)

December 6: Xindi scientists test their new, planet-killing weapon in an asteroid field as Captain Archer is suddenly assisted by Andorians, led by Shran, in the Delphic Expanse. (ENT 65)
December 12: A Xindi scientist, Degra, is tricked into giving Captain Archer information about the location of the new superweapon. (ENT 66)
December 27: Enterprise encounters a dying alien, one of the Sphere Builders, for the first time. (ENT 67)