Konrad von Vietinghof, Gran Master of the Livonian Order (livonian confederation) : All Data

Konrad von Vietinghof was the Grand Master of the Livonian Order, ruling over Terra Mariana from 1409 to 1413. During his tenure, he faced several significant conflicts, including the Polish-Lithuanian-Teutonic War (1409-1411) and the Great Cēsis Rebellion (1413). The Polish-Lithuanian-Teutonic War, also known as the Gollub War, took place from 1409 to 1411 and saw the Livonian Order, led by Konrad von Vietinghof, fighting against the combined forces of Poland and Lithuania. The Great Cēsis Rebellion occurred in 1413 and was a revolt by the Livonian Order's subjects in Cēsis against their rule.