On This Day: June 11

Marcomannic Wars: The Roman army in Moravia is encircled by the Quadi, who have broken the peace treaty (171). In a violent thunderstorm emperor Marcus Aurelius defeats and subdues them in the so-called "miracle of the rain".

Emperor Taizong of Tang, the Emperor of China, sends envoys to the Xueyantuo bearing gold and silk in order to seek the release of enslaved Chinese prisoners captured during the transition from Sui to Tang from the northern frontier; this embassy succeeded in freeing 80,000 Chinese men and women who were then returned to China.

A Hasanid Alid uprising in Mecca is crushed by the Abbasids at the Battle of Fakhkh. Idris ibn Abdallah flees to the Maghreb, where he later founds the Idrisid dynasty.

Roger of Salerno, Prince of Antioch, captures Azaz from the Seljuk Turks.

Albert I of Brandenburg, also called The Bear (Ger: Albrecht der Bär), becomes the founder of the Margraviate of Brandenburg, Germany and the first Margrave.

The megas doux Alexios Apokaukos, chief minister of the Byzantine Empire, is lynched by political prisoners.

Hundred Years' War: Start of the Battle of Jargeau.

Battle of Sauchieburn: Fought between rebel Lords and James III of Scotland, resulting in the death of the King.

Henry VIII of England marries Catherine of Aragon.

Philip II recognizes the rights and privileges of the local nobles and chieftains in the Philippines, which paved way to the stabilization of the rule of the Principalía (an elite ruling class of native nobility in Spanish Philippines).