This region's settlements include Mangazeya and Tobolsk.
One polity in this region was led from a fortress at Qashliq by rivals of the Shibanid Mongols, and was defeated by a man hired by Semyon Stroganov who drowned while trying to swim the Wagay river. That man was Yermak. One region in this polity was designated as a resettlement zone for Jews to counter the arguments of Zionists like Ber Borochov. This region's settlements include Mangazeya and Tobolsk. A major extinction event was caused when this region's Traps erupted 250 million years ago. Major rivers in this region include the Lena, Yenisey, Ob, and the Angara, which drains Lake Baikal. For 10 points, identify this portion of Russia east of the Urals, where one might have been exiled under the czar or sent to a gulag under the Soviet Union.
One polity in this region was led from a fortress at Qashliq by rivals of the Shibanid Mongols, and was defeated by a man hired by Semyon Stroganov who drowned while trying to swim the Wagay river.
Siberia