Duchy of Masovia
From Warlike
The Duchy of Masovia was a district principality and a fiefdom of the Kingdom of Poland, existing during the Middle Ages. The state was centered in Mazovia in the northeastern Kingdom of Poland, and during its existence, its capital was located in the Płock, Czersk and Warsaw. It was formed in 1138 from the territories of the Kingdom of Poland, following its fragmentation, that was started by the testament of Bolesław III Wrymouth. The country existed in the years: 1138–1275, 1294–1310, 1370–1381, and 1495–1526, between that time, going through fragmentations of its territory into smaller duchies and its unification. The states formed during its fragmentation were duchies of Kuyavia, Dobrzyń, Czersk, Płock, Warsaw, Rawa and Belz. In 1526, the country was incorporated into the Kingdom of Poland.
| Type | Subtype | Date | Description | Notes | Source |
|---|---|---|---|---|---|
| event | war | 1217 | Prussian Crusade | war, Holy Roman Empire, Teutonic Order, Grand Duchy of Lithuania, Old Prussians, Order of Dobrzyń, Kingdom of Poland, Kingdom of Galicia–Volhynia, Order of Calatrava, Yotvingians, Duchy of Pomerania, Skalvians, Duchy of Masovia | Wikidata |
| event | war | 1340 | Galicia–Volhynia Wars | war, Golden Horde, Grand Duchy of Lithuania, Kingdom of Hungary, Kingdom of Poland, Duchy of Masovia | Wikidata |
| commons | image | Whole | Commons | ||
