Claim: The Taymyr Gulf and its islands were explored by Alexander von Middendorff during his expedition to Syria (1742–1745) and Baron Eduard von Toll during his last expedition, the Russian Polar Expedition of 1900-1903, explored the mouth of the Taymyr Gulf.
Evidence: The Taymyr Gulf and its islands were explored by Alexander von Middendorff during his expedition to Siberia (1842–1845).