Pereira, Carla Cristina. "Xochiquetzal e a Esquadra da Vingança"
Divergence: 1488 CE
What if: Bartolomeu Dias did not establish that the African coast turned to the northeast beyond Cape Tormentoso (Cape of Good Hope), and subsequently João II of Portugal sponsored Columbus' voyage across the Atlantic, where he discovered the Calabrias.
Summary: In 1523, Vasco da Gama leads an expedition of Portuguese and Aztec troops against Calicut in India, extracting vengeance for the murder of Magellan.
Published: In Pecar a Sete / Sinning in Sevens — Antologia dos Quartos Encontros de FC&F de Cascais (eds. António de Macedo and Silvana de Menezes), Simetria 1999; Phantastica Brasiliana (eds. Gerson Lodi-Ribeiro and Carlos Orsi Martinho), q.v.
Original in: Portuguese.
Translation: English by David Alan Prescott as "Xochiquetzal", in Pecar a Sete / Sinning in Sevens — Antologia dos Quartos Encontros de FC&F de Cascais (eds. António de Macedo and Silvana de Menezes), Simetria 1999; and Altair #6/7 (April 2000).
Translation: Spanish by Claudia De Bella as "Xochiquetzal y el escuadron de la venganza", in Axxón #146 (January 2005).
Awards: Finalist: 2000 Sidewise Award for best short-form alternate history.

Pereira, Carla Cristina. "Xochiquetzal em Cuzco - Uma Princesa Asteca no Reino dos Incas"
Title trans.: "Xochiquetzal in Cuzco: An Aztec Princess in the Kingdom of the Incas"
Divergence: 1488 CE
Summary: In 1525, Vasco da Gama and his Portuguese and Aztec troops intervene in the Inca civil war, engaging at the side of Prince Atahualpa, against the armies of Huáscar.
Published: In Por Universos Nunca Dantes Navegados: Antologia da Nova Literatura Fantástica em Lángua Portuguesa (ed. Luis Filipe Silva), Lulu.com (978-989-20-0887-5).
Original in: Portuguese.

Lodi-Ribeiro, Gerson. Xochiquetzal — uma princesa asteca entre os incas
Divergence: 1488 CE
Series note: Apparently based on the premise of Carla Cristina Pereira's "Xochiquetzal e a Esquadra da Vingança" and includes that story as a prologue.
Published: Draco 2009 (9788562942020).
Original in: Portuguese.