2079

From Memory Alpha, the free Star Trek reference

[edit] Events

• By this year, the post-atomic horror is underway. (TNG: "Encounter at Farpoint"; ENT: "In a Mirror, Darkly, Part II")
• In this year, the number of stars on the United States of America flag changes from the 52 displayed since 2033. (TNG: "The Royale")

"The Royale" states that the flag had 52 stars from 2033 until 2079.

2078

21st century 2070s

2080