Why Historians Aren't Sure if Meghan Markle Will Be the First British Royal of Color

The nuptials of Prince Harry and Meghan Markle on Saturday will mark a break from royal-wedding tradition in a number of ways, from the wedding cake to the invitations. Among the wedding's most significant deviations from the past is the very fact that the bride is Meghan Markle: as a divorced, American, Catholic-raised woman of color, she falls into into several categories that stand out on the British royal family tree.