Complex sentence: Despite universal agreement among historians that Drake landed on the west coast of North America, the exact location of New Albion has been the subject of several theories: the only confirmed sixteenth-century archaeological evidence being pieces of porcelain found at Drakes Bay.
Split into simpler sentences: Despite universal agreement among historians that Drake landed on the west coast of North America, the exact location of his landing, and thus of the region he called New Albion, has been the subject of several theories. The only confirmed sixteenth-century archaeological evidence being pieces of porcelain found at Drakes Bay.