The document summarizes three major calamities in Europe:
1. The Great Famine of 1315-1317 which began with heavy rain and cool summers that caused crops to rot. People survived by eating roots, bark and their farm animals, leading to long term weakness and 25% death toll.
2. The Hundred Years' War between England and France from 1337-1453 over succession of the French throne. English won many battles but grew tired of the war's cost and losses from plague. French peasant Joan of Arc led the French to defeat the English.
3. The Black Death plague of the 14th century which killed millions worldwide and spread quickly in Europe's unsan