Yeah there's a period of like 150 years where everything is dogshit

2024: Outcry over deaths and circumstances leading to the Bell Riots forces the United States of America to focus on social problems. This circumstance turns out to be a crucial milestone in the prehistory of the Federation. (DS9: "Past Tense, Part I", "Past Tense, Part II" -Personal note, these are two of the best episodes in the entire Star Trek franchise)

Meanwhile, Earth's ozone layer deteriorates and the surface of the planet is flooded with ultraviolet radiation. (TNG: "When The Bough Breaks")

2053: World War III ends with a nuclear holocaust resulting in the deaths of some six hundred million Humans. Earth begins its long journey towards recovery. (Star Trek: First Contact)

:posadist-nuke:

2063: Zefram Cochrane, the inventor of warp drive on Earth, conducts his first test flight with the Phoenix. The Vulcans, who, coincidentally, have the vessel the T'Plana-Hath in the Sol system, witnesses Cochrane's warp flight, and immediately initiate First Contact with Earth within hours of this demonstration of Human warp capability. (Star Trek: First Contact; VOY: "Year of Hell")

2067: The United Earth Space Probe Agency launches Friendship 1. (VOY: "Friendship One")

2103: The Martian colonies are established. (VOY: "Lifesigns", "The 37's")

2113: By this year, war, poverty, disease, and hunger have been virtually eliminated on Earth. (Star Trek: First Contact; ENT: "Broken Bow")

2150: Earth becomes fully unified when all nation-states join the World Government, completing a process initiated earlier in the century by the European Hegemony. (TNG: "Attached", "Up The Long Ladder")