38th century
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The 38th century of the anno Domini (common) era will span the years 3701–3800 of the Gregorian calendar. It will be the eighth century of the 4th millennium.
Astronomical events
Fiction
- In the year 3781, according to Walter Miller Jr.'s A Canticle for Leibowitz ("Fiat Voluntas Tua"), a second nuclear holocaust destroys all life on Earth. However, survivors escape to human interstellar colonies.
- Nostradamus prophecies would extend to the year 3797.
- 3798 is the year in which Michael Wang's "The Cosmos" mostly takes place.