Tsar Feodor Ivanovich about Lapland question in the border dispute between Russia and Denmark-Norway (according to tsar's letter to Danish king dated August 1585)

The paper is devoted to one of subject in the Lapland Question, which was a result of territorial dispute of Russia and Denmark-Norway in European Arctic. The author examines the complex of arguments formulated by tsarist government to confirm the rights and positions of the Russian state in Lapland region (using the example of a letter from Tsar Feodor Ivanovich of August 1585), and also analyzes the counter-arguments of the King of Denmark.