Muscovy conquered and annexed the Astrakhan Khanate.
Nov 2, 1558
Livonian War: Ivan demanded a back-breaking tribute from the Bishopric of Dorpat. The Bishop sent diplomats to Muscovy to renegotiate the amount; Ivan expelled them and invaded and occupied the Bishopric
Nov 2, 1561
Battle of Ergeme: Ivan's army crushed the forces of the Livonian Order.
Nov 2, 1563
Ivan established the Oprichnina, a Muscovite territory ruled directly by the tsar
Nov 2, 1565
The Union of Lublin was signed. Poland and the Grand Duchy of Lithuania were merged into the Polish–Lithuanian Commonwealth; Poland began aiding Lithuania in its war against Muscovy