Marshal Manuel Deodoro da Fonseca leads a coup d’etat, overthrowing Pedro “the Magnanimous” II, and establishing himself as the first president of the Republic of Brazil.

       [added 5/15/2022]

Subsequent Events:

References:

Latin American wars of independence – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Latin_American_wars_of_independence

Deodoro da Fonseca – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Deodoro_da_Fonseca

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Source