1483 CE
A year defined by the death of King Edward IV and the usurpation of the English throne by Richard III, the birth of Martin Luther and Raphael, and the election of a new pope in Rome.
Geopolitics & Diplomacy
- King Edward IV of England died on April 9, leaving his twelve-year-old son Edward V as heir to the throne under the protection of his uncle Richard, Duke of Gloucester.
- Richard, Duke of Gloucester, seized the throne as Richard III on June 26, deposing his nephew Edward V and confining him and his brother to the Tower of London.
- The young Edward V and his brother Richard of Shrewsbury, the Princes in the Tower, disappeared from public view, with widespread suspicion that they were murdered on Richard III's orders.
- Pope Sixtus IV died on August 12, and the papal conclave elected Giovanni Battista Cibo as Pope Innocent VIII on August 29.
- King Louis XI of France died on August 30, and his thirteen-year-old son succeeded him as Charles VIII under the regency of his elder sister Anne de Beaujeu.
- The Republic of Venice concluded the War of Ferrara with the Peace of Bagnolo on August 7, settling territorial disputes among the Italian city-states.
Conflict & Security
- Richard III's seizure of the English throne provoked opposition from supporters of the deposed Edward V and from Lancastrian sympathizers who backed Henry Tudor's claim.
- The Duke of Buckingham's rebellion against Richard III in October failed due to flooding that prevented rebel forces from crossing the River Severn, and Buckingham was captured and executed.
- The War of Ferrara ended with the Peace of Bagnolo, concluding two years of fighting among Italian city-states over territorial control in northeastern Italy.
Economy & Finance
- The Medici Bank faced growing financial difficulties, with bad debts and mismanagement at several branch offices weakening the institution.
- The Fugger family of Augsburg extended their financial network, providing loans to rulers and investing in mining operations across Central Europe.
- The costs of the Granada War strained Spanish royal finances, requiring Ferdinand and Isabella to raise taxes and borrow from Italian and Spanish bankers.
Science & Discovery
- Diogo Cao returned from his first voyage along the West African coast, having explored the mouth of the Congo River and erected stone pillars marking Portuguese claims.
- Martin Luther was born on November 10 in Eisleben, Saxony, a future theologian whose ideas would transform European religion and society.
- Raphael was born on April 6 in Urbino, Italy, a future painter whose works would become icons of the High Renaissance.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 273 parts per million, as later confirmed by ice core analysis.
Culture & Society
- The Spanish Inquisition expanded its operations under Tomás de Torquemada, who was appointed Grand Inquisitor, intensifying investigations against conversos and suspected heretics.
- The estimated world population was approximately 457 million people.