Introduction of a new calendar Mutual cultural influence Mutual cultural influence Ban on the use of Lithuanian Construction of new cities Introduction of Polish as the official language

Gediminas Mindaugas Vytautas Algirdas Vytautas Kęstutis

First Peace of Toruń Union of Lublin Second Peace of Toruń Union of Krewo Union of Brest First Peace of Toruń

Reformation Eastern Schism Union of Brest Introduction of Christianity in Lithuania Introduction of Christianity in Lithuania Northern Crusade

1390 Around 1370 1400 Around 1370 1380 1360

Territorial division End of civil wars Religious unification Increase in Poland's prestige Increase in Poland's prestige Introduction of absolute monarchy

Mutual cultural influence Introduction of a new calendar Introduction of Polish as the official language Mutual cultural influence Construction of new cities Ban on the use of Lithuanian

Agrarian reform Industrialization Export of raw materials Increase in trade importance Introduction of a new currency Increase in trade importance

Increase in military strength of Poland and Lithuania End of wars with neighbors Introduction of new war technologies Increase in military strength of Poland and Lithuania Construction of new fortresses Reduction in the number of troops

Korczak Sulima Sulima Gryf Leliwa Jastrzębiec