Today, 325 years ago, on November 20, 1700, the Great Northern War. The Second Northern War. The Great Northern War. The Great Northern War. The Great Northern War. The Great Northern War (1721-1721), also known as the Second Northern War, was a war between Saudis and Swedes to seize the Baltic Sea and to dominate Sweden. The result of the war was that Russia called the Baltic Sea dominant, and Sweden declined from that time, disappearing from the list of European powers. Comments: A temporary victory.