A Drastic Jump in Wheat Prices
After two wet seasons, there is a scarcity of wheat in England. Prices have jumped 700% and will remain high through next year. Eventually prices will drop but they will jump again as the vagaries of weather and bad crop decisions continue to torment the peasantry. Since the lord of the manor often has first call on the harvest most of the nobles will be fine but the lords that have been economically stressed are facing financial collapse. Many of these nobles will find their lands transferred to distant, richer relatives and their names struck from the rolls of the nobility.  
The "Prince of Music" Does the Classics
John Dunstable has changed the face of music. He introduces what is called today: counterpoint. To put it simply... what we call "classical music" is really several musical themes played simultaneously that support each other but are not necessarily harmonious. Much of John's life is a mystery. He is known by the composers who were influenced by his innovation. He will produce many works, mostly with religious themes. When he dies his grave marker will be inscribed, "The Prince of Music."   
The Transylvanian Peasant Revolt
With government debt high after several years of war with the Ottomans and the Hussites, King Sigismund, the Holy Roman Emperor and King of Hungary reduced the amount of silver in his currency. The bishop in northern Transylvania decided not to collect taxes for a few years, probably because he didn't trust the currency but now that the King has issued new gold coins, the bishop has decided to collect the past-due taxes in a lump sum in gold. The peasants are now in revolt led by a man named Budi. They will be joined by a number of minor nobles but the revolt will be put down before the year is out after King Sigismund dies. Then negotiations will consist of executing the leaders of the revolt and enslaving anyone who objects.  
This Year in Wikipedia
Year 1437, Wikipedia.
- Farr, William. The Influence of Scarcities and of the High Prices of Wheat on the Mortality of the People of England. Journal of the Statistical Society of London , Vol. 9, No. 2 (Jun., 1846), Royal Statistical Society. p. 162. (JOURNAL)
- Fleetwood, William. Chronicon Preciosum or an Account of English Money, the Price of Corn, and Other Commodities, for the Last 600 Years.... London: C. Harper. 1707. (BOOK)
- Grun, Bernard. The Timetables of History: A Horizontal Linkage of People and Events. New York: Simon and Schuster. 1991. p. 207. (BOOK) Quote: "John Dunstable develops counterpoint in musical composition."
- John Dunstaple - Wikipedia, 2014 [last update]
- Polyphony - Wikipedia, 2014 [last update]
- Dunstable, John. Dunstable: Quam pulchra es - YouTube. Time Length: 0:2:56. 2014 [last update] (VIDEO) Description: "Three-voice polyphonic composition with musical notation illustrating what is being voiced."
- Budai Nagy Antal Revolt - Wikipedia, 2014 [last update]
- Sigismund, Holy Roman Emperor - Wikipedia, 2014 [last update]
- Grun, Bernard. The Timetables of History: A Horizontal Linkage of People and Events. New York: Simon and Schuster. 1991. p. 206. (BOOK) Quote: "Emperor Sigismund d., last of the House of Luxembourg; succeeded as king of Hungary, Bohemia, and (1438) Germany by his son-in-law, Albert V."
- Albert II of Germany - Wikipedia, 2014 [last update]