28 jul 1821 año - Peru

Descripción:

How did it become independent
Peru became independent on july-28 because of José de San Martín barging into Peru declaring Independence
When did it become independent?
Pure became independent on July/21/1821 due to José de San Martín invading peru and declaring independece
Who did it become independent from?
Pure became interdependent on July/28/ 1821. it became independent from Spain after a war when San Martín established Protectorate for of government.