Complex sentence: This voyage to the "New Found Land" was only two years after the first visit by the Venetian John Cabot, who, in 1497, also sailing from Bristol, "discovered" North America.
Split into simpler sentences: This voyage to the "New Found Land" was only two years after the first visit by the Venetian John Cabot. In 1497, also sailing from Bristol, he "discovered" North America.