- A rating of "G" on the industrial scale corresponds with an industrial level equal to that of Earth's in this year. (TOS: "Spock's Brain")
According to a historical library computer file seen in ENT: "In a Mirror, Darkly, Part II", Zefram Cochrane was born on Earth during this year. However, according to TOS: "Metamorphosis", Cochrane was 87 years old when he arrived to the Companion's homeworld. According to ENT: "Broken Bow", Cochrane was still on Earth in 2119, suggesting he was actually born later in the 2030s.