📅 Today in HistoryAugust 25
Emperor Constantine V humiliates nineteen high-ranking officials, after discovering a plot against him. He executes the leaders, Constantine Podopagouros and his brother Strategios.
The Dutch city of Ommen receives city rights and fortification rights from Otto III, the Archbishop of Utrecht.
Regent George Mouzalon and his brothers are killed during a coup headed by the aristocratic faction under Michael VIII Palaiologos, paving the way for its leader to ultimately usurp the throne of the Empire of Nicaea.
Philip III, although suffering from dysentery, becomes King of France following the death of his father Louis IX, during the Eighth Crusade. His uncle, Charles I of Naples, is forced to begin peace negotiations with Muhammad I al-Mustansir, Hafsid Sultan of Tunis.
The Honourable Artillery Company, the oldest surviving regiment in the British Army, and the second most senior, is formed.
War of the Portuguese Succession: Spanish victory at the Battle of Alcântara brings about the Iberian Union.
Portuguese forces are defeated by the Kingdom of Kandy at the Battle of Randeniwela in Sri Lanka.
Seven Years' War: Frederick II of Prussia defeats the Russian army at the Battle of Zorndorf.
