📅 Today in HistoryJune 17

Pope Martin I is arrested and taken to Constantinople, due to his opposition to monothelitism.

After a prolonged siege by rebels who demand his abdication, caliph Uthman is assassinated as the rebels enter his palace.

Former Empress Matilda, daughter and designated heiress of king Henry I of England, marries Geoffrey Plantagenet, Count of Anjou.

Following the Disputation of Paris, twenty-four carriage loads of Jewish religious manuscripts were burnt in Paris.

Turku Cathedral is consecrated by Bishop Magnus I in the city of Turku (Swedish: Åbo).

The Kalmar Union is formed under the rule of Margaret I of Denmark.

Vlad the Impaler attempts to assassinate Mehmed II (The Night Attack at Târgovişte), forcing him to retreat from Wallachia.

Battle of Deptford Bridge: Forces under King Henry VII defeat troops led by Michael An Gof.

Sir Francis Drake claims a land he calls Nova Albion (modern California) for England.

The Dutch explorer Willem Barentsz discovers the Arctic archipelago of Spitsbergen.