Malvasia Malmsey was one of the three major wines exported from Greece in medieval times. (For other examples, see Rumney wine and Cretan wine). It is alleged that when Edward IV of England convicted his brother, George Plantagenet, 1st Duke of Clarence, of high treason, his private execution consisted of being "drowned in a butt of Malmsey wine," which is dramatized in Shakespeare's "Richard III". Both Monemvasia and Candia have lent their names to modern grape varieties. In Greece, there is a variety known as Monemvasia, evidently named after the port, though now grown primarily in the Cyclades. In western Europe,
Malvasia of Malvasia and other "noble grape" varieties on Madeira for the next century. As a result, most non-vintage-dated "Malmsey" was made from the widely grown Tinta Negra Mole or even from fox grape varieties. This changed when Portugal entered the European Union (EU) in 1986; EU regulations required that any wine bearing the name "Malmsey" contain at least 85% Malvasia grapes. Even further confusion results from the fact that vintage-dated Malmseys are often labeled "Malvasia" or "Malvazia", probably because the relatively rare vintage Malvasias were always made with Malvasia grapes even when most non-vintage "Malmsey" came from lesser varieties. Some