Wells, H.G. A Modern Utopia
Divergence: c 500 CE
What if: The Dark Ages never happened.
Summary: A look at a Utopian 20th century.
Comments: Borderline alternate history, as the world is identical to Earth except that it is somewhere "beyond Sirius".
Published: Chapman & Hall 1905; and University of Nebraska 1967.
Published: Included in Works, vol. 9, Scribner's 1925.
Original in: English.
Translation: French by Henry-D. Davray et B. Kozakiewicz as Une utopie moderne, Mercure de France 1907.