1408 CE
A year defined by the Yongle Emperor's consolidation of Ming power, the continuing Ottoman Interregnum, and the growing Armagnac-Burgundian rivalry in France following the assassination of the Duke of Orléans.
Geopolitics & Diplomacy
- The Yongle Emperor dispatched Zheng He on a second maritime expedition to Southeast Asia and the Indian Ocean, further extending Ming diplomatic reach.
- John the Fearless, Duke of Burgundy, publicly justified the assassination of the Duke of Orléans through a formal address to the French court.
- The Ottoman Interregnum continued with Mehmed Çelebi consolidating power in Anatolia while Musa Çelebi controlled the European provinces.
- The Council of Pisa was proposed by cardinals from both papal obediences as a means to resolve the Western Schism, with preliminary negotiations gaining momentum.
- Henry IV of England maintained his hold on power despite recurring illness that weakened his ability to govern effectively.
- Shah Rukh dispatched embassies to the Ming court, establishing diplomatic relations between the Timurid Empire and China.
Conflict & Security
- Musa Çelebi solidified his control over Ottoman European territories, defeating rival claimants and local opposition in the Balkans.
- The Battle of Bramham Moor in February saw the defeat and death of the Earl of Northumberland, ending the Percy rebellions against Henry IV.
- English forces besieged Aberystwyth Castle, one of the last major strongholds held by Owen Glendower's Welsh rebels.
- Armagnac and Burgundian factions in France began assembling armed retinues, escalating the political crisis toward open civil warfare.
- Venetian forces clashed with Hungarian troops over control of Dalmatian coastal cities along the eastern Adriatic shore.
Economy & Finance
- Zheng He's second expedition continued to expand Chinese commercial and diplomatic networks across the Indian Ocean trading world.
- The Burgundian-Orléanist rivalry disrupted commercial activity in northern France, affecting trade fairs and merchant confidence.
- Sugar cultivation expanded on the Atlantic island of Madeira, with Portuguese settlers establishing plantations that would become highly profitable.
Technology & Infrastructure
- Construction of the Forbidden City in Beijing progressed with the installation of elaborate roof structures and the carving of marble terraces.
- The construction of the Certosa di Pavia monastery near Milan showcased elaborate Renaissance and Gothic architectural elements.
- Advances in mining technology in Central Europe included improved ventilation systems and pumping mechanisms for deeper ore extraction.
Science & Discovery
- Zheng He's second voyage expanded Chinese knowledge of maritime routes, port cities, and trading communities across Southeast Asia.
- Ulugh Beg continued to develop the scholarly community in Samarkand, attracting mathematicians and astronomers to his growing court.
- The study of ancient Roman engineering and architectural principles attracted the attention of Italian scholars investigating classical ruins.
Health & Medicine
- The quarantine system at Venice's lazaretto continued to evolve, with procedures for isolating and inspecting arriving ships and their crews.
- Military surgeons treated casualties from the ongoing Welsh campaigns and the Percy rebellion, developing practical wound-care techniques.
Climate & Environment
- Atmospheric carbon dioxide concentration was approximately 272 parts per million, as later confirmed by ice core analysis.
Culture & Society
- Donatello emerged as a leading sculptor in Florence, producing works that demonstrated a new naturalism influenced by classical antiquity.
- Timurid court culture at Herat produced masterworks of Persian miniature painting, calligraphy, and book illustration.
- The Lollard movement in England persisted despite Church persecution, with followers maintaining underground networks for disseminating reformist ideas.
- The estimated world population was approximately 359 million.