2020 is the 400th anniversary of the sailing of the Mayflower across the Atlantic. English Separatists founded Puritan New England, setting up America's first godly colony, Plymouth Plantation. Although preceded by Virginia and quickly overshadowed by Massachusetts, it would be Plymouth that captured the American imagination in the later nineteenth century. Both the voyage of the Mayflower in 1620 and the so-called 'First Thanksgiving' of 1621...