Grab the tissues—these romances will break your heart. Join us as we revisit history’s most unforgettable star-crossed couples, from royal unions torn apart to artists and activists separated by law, fate, or tragedy. We’re spotlighting Cleopatra and Mark Antony, Héloïse and Abélard, Mildred and Richard Loving, Shah Jahan and Mumtaz Mahal, Lili Elbe and Gerda Wegener, and more. Which love story still haunts you? Tell us in the comments.