War of the Tamoio Confederation

The War of the Tamoio Confederation was a military conflict fought between the Portuguese colonizers and the Tamoio indigenous people in the southeast of Brazil, in the areas corresponding to modern-day São Paulo and Rio de Janeiro. The Tamoios were led by the chiefs Aimberê and Cunhambebe and received support from the French colonizers of France Antarctique, led by Nicolas Durand de Villegagnon. In addition to the Tamoios, other indigenous groups also participated in the conflict, including the Tupiniquins, the Aimoré, the Goitacá and the Guaianá.^[1]

The war ended with the arrival of Portuguese reinforcements led by Captain Estácio de Sá, which initiated the expulsion of the French and the decimation of their Tamoio allies.^[1][2]

The conflict is partially documented in the writings of the German mercenary Hans Staden, who was held prisoner by the Tupinambá in the region of present-day Ubatuba for nine months. During this time, he accompanied Chief Cunhambebe on his military expeditions against the Portuguese in the area corresponding to modern-day Bertioga.^[3]

With the intensification of colonization in the Captaincy of São Vicente, the demand for Indigenous labor on the newly established Portuguese plantations grew steadily. To meet this demand, settlers relied on two primary strategies: trading European-made tools in exchange for communal labor on the mills, and fomenting wars among different Indigenous groups in order to acquire enslaved individuals captured during these conflicts.^[4]

Among Indigenous practices for establishing alliances with the Portuguese was what became known as cunhadismo, through which a man became a member of a particular people by marrying a woman belonging to that group. Through this practice, João Ramalho, a Portuguese man who had arrived in the Americas by unknown means before the effective colonization of the territory, married Mbici, the daughter of the Tupiniquim chief Tibiriçá, also known as Bartira. João Ramalho then began living among the Indigenous people and adopting their customs. By 1532, when the town of São Vicente was founded on the coast, the Portuguese man had already embraced many of the natives’ customs, having married multiple women and fathered a large number of children, who, in turn, were married to the main local chiefs. Because of this, his importance was quickly recognized by the colonizers, who soon established friendly relations with the Tupiniquim of São Vicente.^[4]

The collaboration of the Tupiniquim with the Portuguese resulted in a strong alliance that made possible, among other events, the founding of the Jesuit college of São Paulo de Piratininga in 1554 by the Jesuits Manuel da Nóbrega and José de Anchieta in Tibiriçá’s village. The rivalry among the different Indigenous nations, which existed prior to the European invasion, combined with the demand for enslaved people to support the colonization enterprise, led the Portuguese and Tupiniquim to attack the Tupinambá and other peoples who resisted colonial domination militarily.

An attack by the Portuguese on the village of the Tupinambá chief Cairuçu resulted in his capture, along with his people, by Governor Brás Cubas. Imprisoned under extremely harsh conditions, Cairuçu died in captivity. His son, Aimberê, sparked a revolt and escaped, returning to the village of Ubatuba (Uwa-ttybi), where he assumed leadership of his people and declared war on the Portuguese colonists and their former Tupiniquim allies. To strengthen the uprising, he met with Tupinambá leaders Pindobuçu, from Iperoig, and Cunhambebe, from the area of present-day Angra dos Reis, establishing the fortification of Uruçumirim and becoming co-leader of the Tamoio Confederation alongside Cunhambebe. Later, Cunhambebe assumed full leadership of the Tamoio Confederation and secured the support of the Goitacá and Aimoré peoples. The declaration of war coincided with the arrival of the French in Rio de Janeiro, who aimed to colonize territories belonging to the Tupis as well as areas recently conquered by the Portuguese.

To support the conflict against the Portuguese, the Frenchman Villegaignon provided weapons to the Tupinambá under Cunhambebe's leadership. However, an epidemic devastated many of the Indigenous fighters, including Cunhambebe himself, significantly weakening the uprising.

Aimberê, from the village of Ubatuba (of uncertain etymology, possibly from U'ubá-tyba, “gathering of arrow cane,” or Ubá-tyba, “gathering of canoes”),^[5] met at what is today Mangaratiba, on the western coast of Rio de Janeiro, with other Tupinambá chiefs: Pindobuçu, Koaquira; Cunhambebe and Guayxará. Under Cunhambebe's leadership, and with the support of other Indigenous nations such as the Goitacá, the Tupinambá organized an alliance against the Tupiniquim and the Portuguese.

The French supplied the Tupinambá with weapons for the conflict, motivated by their interest in occupying Guanabara Bay. Following the death of Cunhambebe during an epidemic, Aimberê assumed leadership of the confederation. His strategy focused on further expanding the alliance by securing the support of the Tupiniquim. To this end, he asked Jagoaranhó, chief of the Tupiniquim and nephew of Tibiriçá, to persuade his people to abandon the Portuguese and join the confederation

After the death of Cunhambebe, Aimberê continued the revolt against the Portuguese and sought to persuade the Tupiniquim to join his side. He contacted their leader, Tibiriçá, through his nephew Jagoaranhó and arranged a meeting to formalize the confederation. When the Tamoios arrived at the village, Tibiriçá declared his loyalty to the Portuguese and killed his nephew, triggering an attack that resulted in the decimation of a large portion of the Guaianá people.

Despite the Iperoig armistice of 1563, hostilities continued. In 1567, the arrival of Mem de Sá in the Rio de Janeiro territory led to the defeat of the French and the Tamoios, bringing the conflict to an end.

With the intervention of Jesuits Manuel da Nóbrega and José de Anchieta, founders of São Paulo, a truce was established in the event known as the Iperoig Armistice. During this period, the Portuguese were compelled to release all enslaved Indigenous people.

The truce achieved at Iperoig was ultimately short-lived, as the Portuguese strengthened their colonization efforts, launching attacks on Indigenous villages, killing and enslaving local populations. The Tupinambá gradually retreated toward Guanabara Bay. In 1567, with the arrival of reinforcements under Captain-Major Estácio de Sá, who had founded the city of São Sebastião do Rio de Janeiro two years earlier, the final campaign to expel the French and their Tamoio allies from Guanabara commenced. This culminated in the decisive defeat of the Tupinambá and the death of Aimberê during the Cabo Frio campaign.

More than three centuries later, the conflict became the subject of the poem "A Confederação dos Tamoios" (The Confederation of the Tamoios) by the Romantic poet Gonçalves de Magalhães, written in 1856.^[6]

In 1883, the historical episode was also depicted by Rodolfo Amoedo in his painting "O último tamoio" (The Last Tamoio).^[7][8]