On This Day: July 10th

Zhu Chenhao declares the Ming dynasty's Zhengde Emperor a usurper, beginning the Prince of Ning rebellion, and leads his army north in an attempt to capture Nanjing.

The Spanish conquest of Iberian Navarre commences with the capture of Goizueta.

The Portuguese explorer Nicolau Coelho returns to Lisbon after discovering the sea route to India as a companion of Vasco da Gama.

Richard Neville, 16th Earl of Warwick, defeats the king's Lancastrian forces and takes King Henry VI prisoner in the Battle of Northampton.

Ladislaus IV, King of Hungary, is assassinated at the castle of Körösszeg (modern-day Cheresig in Romania).

The most severe of several early fires of London burns most of the city to the ground.

The Norse King Glúniairn recognises Máel Sechnaill mac Domnaill, High King of Ireland, and agrees to pay taxes and accept Brehon Law; the event is considered to be the founding of the city of Dublin.

Isshi Incident: Prince Naka-no-Ōe and Fujiwara no Kamatari assassinate Soga no Iruka during a coup d'état at the imperial palace.

Having usurped the throne of Emperor Gong of Jin, Liu Yu proclaims himself Emperor of the Liu Song dynasty.

Emperor Hadrian of Rome dies of heart failure at his residence on the bay of Naples, Baiae; he is buried at Rome in the Tomb of Hadrian beside his late wife, Vibia Sabina.