Malvasia companies occasionally use the name "Malvasia" or "Malvazia" for non-vintage Madeiras, especially those primarily marketed to Portuguese-speaking countries. English historical tradition associates Malmsey wine with the death of George Plantagenet, 1st Duke of Clarence, brother of King Edward IV of England. Following his conviction for treason, he was "privately executed" at the Tower on 18 February 1478, by tradition in the Bowyer Tower, and soon after the event, the rumour gained ground that he was drowned in a butt of Malmsey wine. Malvasia Malvasia (, also known as Malvazia) is a group of wine grape varieties grown historically in the
Asimov's Guide to Shakespeare for doing this. Within each category, the plays are arranged according to internal (historical) chronology, making allowance for the several not based on actual events. Asimov notes how much is real history, and describes who the historical people were, where applicable. He traces those characters who appear in more than one play, and provides maps to explain key geographical elements. Asimov's approach is not popular with some readers' prejudices: "Asimov's Guide to Shakespeare", vols I and II (1970), . Gramercy Books. Nearly 800 pages long plus an index, the work was originally published in two volumes; Greek, Roman and Italian