On March 3rd, 1516, the trading vessel the Swan dropped anchor at Plymouth. She would in our days be considered a tiny craft indeed, but she was then looked upon as a large vessel, and one of which her owner, Master Diggory Beggs, had good reason to be proud. She was only of some eighty tons burden, but there were few ships that sailed out from Plymouth of much larger size; and Plymouth was even then rising into importance as a seaport, having flourished...