1569★★★★★
Union of Lublin creates the Polish–Lithuanian Commonwealth
The Kingdom of Poland and the Grand Duchy of Lithuania unite into a single federal state with a shared monarch and parliament.
TreatyPolitics· Poland, Lithuania
The Kingdom of Poland and the Grand Duchy of Lithuania unite into a single federal state with a shared monarch and parliament.
Russia, Prussia and Austria carve up the Polish–Lithuanian Commonwealth in three partitions, erasing it from the map of Europe by 1795.
Nazi Germany and the Soviet Union sign a non-aggression pact with a secret protocol dividing Eastern Europe into spheres of influence.