Lodi-Ribeiro, Gerson. "A Ética da Traição"
Title trans.: "The Ethics of Treason"
Divergence: 1865 CE
What if: After the Brazilian Navy defeat at Riachuelo, intervention by the USA, et al. led to Paraguayan victory in the Triple Alliance War, followed by the fall of Brazil.
Summary: A modern Brazilian temporal physicist destroys his life's work and flees to Paraguay to prevent his timeline from being altered into ours.
Series note: Also in this timeline is "Crimes Patrióticos: Uma Crônica de Guerras Perdidas".
Published: In Isaac Asimov Magazine de Ficção Científica #25; O Atlântico tem duas Margens (ed. José Manuel Morais), Caminho 1993; and Outros Brasis, Papel & Virtual 1999.
Original in: Portuguese.
Translation: French by Jean-Pierre Moumon as "L'Éthique d'une Trahison", in Antarègs #41/42.
Web link: Gerson Lodi-Ribeiro's homepage

Lodi-Ribeiro, Gerson. "Crimes Patrióticos: Uma Crônica de Guerras Perdidas"
Title trans.: "Patriotic Crimes: A Chronicle of the Lost Wars"
Series note: In same timeline as "A Ética da Traição".
Published: In Fronteiras / Frontiers — Antologia dos Terceiros Encontros de FC&F de Cascais Simetria (eds. Maria Augusta Geada and António de Macedo), Simetria 1998; and Outros Brasis, Papel & Virtual 1999.
Original in: Portuguese.
Translation: English by Judy Grevan as "Patriotic Crimes: A Chronicle of the Lost Wars", in Fronteiras / Frontiers — Antologia dos Terceiros Encontros de FC&F de Cascais Simetria (eds. Maria Augusta Geada and António de Macedo), Simetria 1998.