The Battle of Maipu: Jose de San Martin, commanding the Army of the Andes, proclaims the independence of Chile, after defeating the Royalist army commanded by General Mariano Osorio.
[added 12/24/2021]
Subsequent Events:
References:
Latin American wars of independence – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Latin_American_wars_of_independence
Battle of Maipu – Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Battle_of_Maip%C3%BA