Complex sentence: In 1822 Narváez was given command of the "San Carlos" and sailed from San Blas to Baja California and Alta California on a mission to install Mexican commissions and councils in both provinces.
Split into simpler sentences: In 1822 Narváez was given command of the "San Carlos". He sailed from San Blas to Baja California and Alta California on a mission to install Mexican commissions and councils in both provinces.