The story of the Pilgrims of the Mayflower is steeped in American lore. We know they fled Europe seeking religious freedom, but what did they believe? Who was persecuting them? And why is their story the one we remember over other colonists who preceded them? This week in Backtrack History, we look at the Puritan Separatists of Scrooby, England, and why they eventually risked everything to set foot on the famous Mayflower.