 In the 1780s, the Frenchman Jean-François de Galaup, comte de Lapérouse, traveled northward across the sea through the strait later named after him.In 1796, a British naval officer, William Robert Broughton explored the Strait of Tartary, the eastern coast of the Russian Far East and the Korean Peninsula.In 1803–1806, the Russian navigator Adam Johann von Krusenstern while sailing across the globe in the ship "Nadezhda" also explored, in passing, the Sea of Japan and the eastern shores of Japanese islands.