 Nyora kupfuurira kweiyi ndima - Pakazosvika 1821, Simpson akanga atova lieutenant wechipiri muChilean Navy, uye mugore rimwe chetero munguva yePeruvian War of Independenceakapinda mukubatwa kwezvikepe zveSpanish Resolución, San Fernando uye Milagro muCallao, achisimudzirwa kuva kaputeni musi wa7 Gumiguru 1821. Admiral Cochrane akapa Simpson kutonga kwe, akamuraira kuenda kuAcapulco kunetsa ngarava dzeSpain, uye kubva ipapo kuenda kuCalifornia kunotenga zvinhu. 