Directory

1425 CE

A year defined by the death of the Yongle Emperor and shifts in Ming policy, the continuation of the Hussite Wars, and the steady expansion of Burgundian power in the Low Countries.

Geopolitics & Diplomacy

  • The Yongle Emperor of the Ming Dynasty died on August 12, and was succeeded by his son the Hongxi Emperor, who signaled a shift away from expansionist policies.
  • Philip the Good of Burgundy expanded his control in the Low Countries, inheriting the counties of Holland, Hainaut, and Zeeland through dynastic claims.
  • The Republic of Venice went to war with the Duchy of Milan, beginning a prolonged conflict over territorial control in Lombardy.

Conflict & Security

  • The war between Venice and Milan began in earnest, with both states deploying condottieri armies to contest control of Lombard territories.

Economy & Finance

  • The death of the Yongle Emperor led to a reassessment of Ming economic policies, with the new Hongxi Emperor favoring domestic consolidation over expensive foreign ventures.
  • Venetian trade revenues were affected by the outbreak of war with Milan, as military expenditures strained the republic's finances.

Technology & Infrastructure

  • Brunelleschi's dome on Florence Cathedral continued its ascent, with the innovative construction method proving successful at unprecedented scale.
  • The Ming Dynasty began curtailing its massive naval construction program following the death of the Yongle Emperor, shifting resources inward.
  • Advances in glassmaking technology in Venice and Murano produced increasingly refined products, including mirrors and decorative glassware.

Science & Discovery

  • The death of the Yongle Emperor marked the beginning of the end of Zheng He's great maritime expeditions, as the new emperor favored inward-looking policies.
  • Ulugh Beg's observatory in Samarkand became operational, producing astronomical observations of remarkable precision for the era.

Health & Medicine

  • The Hongxi Emperor of the Ming Dynasty, who was known to suffer from health problems including obesity, would reign for less than a year before his death.

Climate & Environment

  • Atmospheric carbon dioxide concentration was approximately 272 parts per million, as later confirmed by ice core analysis.

Culture & Society

  • The painter Jan van Eyck entered the service of Philip the Good of Burgundy, beginning a period of artistic production that would transform Northern European painting.
  • The estimated global population was approximately 381 million, with slow demographic recovery continuing across regions affected by the Black Death.