Complex sentence: In the year 1528, the Spanish may have found some small Indian villages, when the Acting Governor Diego de Castañeda ordered captain Gabriel de Rojas to search the passage from the location to a sea in the north.
Split into simpler sentences: In the year 1528, the Spanish may have found some small Indian villages. The Acting Governor, Diego de Castañeda ordered captain Gabriel de Rojas to search a passage from this location to a sea in the north.