📅 Today in HistoryJuly 10
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.
Having usurped the throne of Emperor Gong of Jin, Liu Yu proclaims himself Emperor of the Liu Song dynasty.
Isshi Incident: Prince Naka-no-Ōe and Fujiwara no Kamatari assassinate Soga no Iruka during a coup d'état at the imperial palace.
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.
The most severe of several early fires of London burns most of the city to the ground.
Ladislaus IV, King of Hungary, is assassinated at the castle of Körösszeg (modern-day Cheresig in Romania).
Richard Neville, 16th Earl of Warwick, defeats the king's Lancastrian forces and takes King Henry VI prisoner in the Battle of Northampton.
The Portuguese explorer Nicolau Coelho returns to Lisbon after discovering the sea route to India as a companion of Vasco da Gama.
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.