Additional cities controlled by Galicia-Volhynia under Daniil's reign include Chelm, …

The struggle for power within Lithuania continues.

Before a clear winner can emerge, Shvarm dies in Kholm.

He is buried in an Orthodox Cathedral that once stood on a place now occupied by the Basilica of the Birth of the Virgin Mary.

After his death, most of his lands revert to Lithuania and come under the control of Traidenis, a previously less-known noble from the Lithuanian Highlands.

…Chelm-Belz.

Poland, under King Casimir III, has conquered the Lithuanian-controlled Rus' lands of western Volhynia, including the Duchy of Chelm-Belz west of the Bug River, in 1366, but loses these territories after Kazimierz’s death in 1370.

Both the Kingdom of Poland and Kievan Rus had fought in the tenth century for the possession of Chelm Land, of which Chelm is the most important town, and after several subsequent conflicts, in about 1240 King Daniel of Galicia had made Chełm capital of an Orthodox Diocese, which resulted in the rapid development of the town.

Following the Mongol invasion of Rus', which weakened the Ruthenian states, the Grand Duchy of Lithuania, a new power in Eastern Europe, had occupied Chełm.

Polish King Casimir III had annexed the town, together with Belz, Red Ruthenia and Podolia, in 1340.

The Land of Chełm was initially united with the Land of Belz, but in 1387 King Wladyslaw Jagiello directly annexes Chelm to the Polish Crown, while …