BAL434973 The Swedish flagship Mars, before the Battle of Gotland-Oland (etching) by Russian School (19th century); Russian State Library, Moscow, Russia; (add.info.: The Nordic Seven Years War; On 30 May 1564 a battle broke out between the Swedish navy and the Danish-Lubeck navy between Gotland and Oland; The Swedish navy was under the command of Jakob Bagge, and the Danish-Lubeck navy was under the command of Herluf Trolle; the Mars (Malakos), the largest warship of the Baltic, was sunk;); Russian, out of copyright.