 Our country has wrapped a national holiday around the pilgrim story, ensuring the Mayflower's mythical place in the American narrative. But the year before the Mayflower, in 1619, another ship dropped anchor on the eastern shore of North America. Its name was the White Lion, and it, too, would become one of the most important ships in American history. And yet there is no ship manifest inscribed with the names of its passengers and no descendants' society.