The Peace Treaty of Roskilde ended the 1657-58 war between Denmark and Sweden. Denmark ceded her possessions in the South of the Scandinavian peninsular, the fief of Trondheim in Norway and several islands in the Baltic Sea. Be-sides, Denmark pledged to open negotiations with the Duke of Holstein-Gottorp on relieving him of her suzerainty, to annul the alliances and treaties directed against Sweden and to free Sweden from payment of the Sound duties.
The Copenhagen Peace Treaty ended the 1658-60 war between Denmark and Sweden. The war, provoked by differences connected with the implementation of the Treaty of Roskilde, was launched by Sweden with a view to completely abolishing Denmark’s independence. Under the Copenhagen Treaty, the Isle of Bornholm and the fief of Trondheim were returned to Denmark.
The Peace Treaty of Lunden ended the 1675-79 war between Denmark and Sweden. Denmark gave up her possessions in Skane which went to Sweden.
89 See Note 55.
90 The great Battle of Poltava (the Ukraine) was fought between Russian and Swedish troops on July 8, 1709, in the course of the Northern War (1700-21).
The Russian troops commanded by Peter I won a decisive victory over Charles XII.