The 15th century

5,622 sourced entries across 100 documented years, grouped into 10 decades. A century here runs 1900–1999 rather than 1901–2000, so its decades sit inside it exactly; on the BC side the same rule puts 1–99 BC in the 1st century BC and 100 BC in the 2nd.

Decades

The 1400s — 10 years, 545 entries
The 1410s — 10 years, 517 entries
The 1420s — 10 years, 472 entries
The 1430s — 10 years, 507 entries
The 1440s — 10 years, 584 entries
The 1450s — 10 years, 572 entries
The 1460s — 10 years, 554 entries
The 1470s — 10 years, 566 entries
The 1480s — 10 years, 641 entries
The 1490s — 10 years, 664 entries

By subject

Conflict & Security in the 15th century — 1,001 entries
Geopolitics & Diplomacy in the 15th century — 582 entries
Religion & Belief in the 15th century — 507 entries
Culture & Society in the 15th century — 412 entries
Exploration & Expansion in the 15th century — 168 entries
Crime & Justice in the 15th century — 82 entries
Technology & Infrastructure in the 15th century — 62 entries
Science & Discovery in the 15th century — 41 entries
Health & Medicine in the 15th century — 36 entries
Climate & Environment in the 15th century — 32 entries
Economy & Finance in the 15th century — 25 entries
Disasters & Accidents in the 15th century — 19 entries

A few of the years

1400April 25 – Jingnan campaign: In the Shandong province of Ming dynasty China, Zhu Di, Prince of Yan, defeats the Imperial forces of General Li Jinglong in the two-day Battle of Baigou River, by taking advantage of the chaos that results when a gust of wind breaks the staff of General Li's flag of battle. The Yan forces capture 100,000 of the Imperial soldiers as prisoners and Li and the others retreat to Jinan.
1412February 28 – The University of St Andrews in Scotland is granted a charter of privilege by the local bishop.
1424February 1 – While negotiating his release from captivity, King James of Scotland is allowed to be married to Joan Beaufort in London, with a ceremony taking place at Southwark Cathedral.
1436April 17 – Hundred Years War: Paris is recaptured from the English by French forces.
1448July 25 – The Council of Basel, opposed to the Pope at Rome, moves to Lausanne and holds its first session, presided over by the antipope Felix V.
1460June 26 – Wars of the Roses: Richard Neville, 16th Earl of Warwick and Edward, Earl of March (eldest son of Richard Plantagenet, Duke of York) land in England at Sandwich, Kent with an army, and march on London.
1472March 4 – A mount of piety is established in Siena (Italy), origin of Banca Monte dei Paschi di Siena, the world's oldest surviving retail bank.
1484March 26 – William Caxton, the first printer of books in English, prints his translation of Aesop's Fables in London.