Episode 2 of 2

Invasion of Mato Grosso

Name: Invasion of Mato Grosso
Start: 1864-12-14
Location: Mato Grosso

When: 14 December 1864
Where: Mato Grosso
Part of: Paraguay declares war on Brazil, 13 December 1864

Paraguay launched the Mato Grosso campaign by invading the Brazilian province on 14 December 1864.

Following the declaration of war, Paraguay took the initiative in the first phase of the conflict. On 14 December 1864, Paraguayan forces invaded the Brazilian province of Mato Grosso. This military action was part of the broader escalation resulting from the Uruguayan War.

Sources

Paraguayan War Wikipedia, revision of 2026-10-05
Francisco Solano López Wikipedia, revision of 2026-09-04

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.