As for Russia, its monarch's title of Tsar was not viewed (outside of Russia itself) as denoting Imperial rank until the 18th century, after its victories in the Great Northern War transformed it into a fully-fledged European power. The Tsar's imperial dignity was recognized in 1721 by the Kingdom of Prussia and the Dutch Republic; 1723 by Sweden and Saxony; 1741 by the Ottoman Empire; 1742 by the Great Britain; 1745 by the Holy Roman Empire, France and Spain; and 1764 by Poland.
