The Battle of Jankov (or Jankau) was fought by the Swedish army some 50 km SSE of Prague on February 23, 1645 during the Thirty Years' War. The Finnish Hakkapeliitta cavalry saw action there. The Holy Roman Emperor in Vienna, with his Saxon and Catholic allies, was contesting Northern Germany with the Protestant princes, championed by the Swedes. ... The Second Battle of Breitenfeld (October 23, 1642), also known as the First Battle of Leipzig, took place 4 miles north-east of Leipzig, Germany during the Thirty Years War. ... The Battle of Rocroi, fought May 19, 1643, resulted in a decisive victory of the French army under Louis II de Bourbon, Prince de Condé, at that time Duke of Enghien, against the Spanish army under General Francisco de Melo. ... The Battle of Freiburg, also called the Three Day Battle, took place on August 3, August 5 and August 9, 1644 as part of the Thirty Years War. ... The Battle of Jüterbog was fought in November of 1644 between Sweden and the Holy Roman Empire. ... This article is about the second Battle of Nördlingen fought in 1645 in Germany as part of the Thirty Years War. ... The Battle of Zusmarshausen was fought on May 7, 1648 between the Holy Roman Empire and an alliance of France and Sweden. ... The last action of the Thirty Years War. ... The Battle of Lens (August 20, 1648) was a French victory under Louis II de Bourbon, Prince de Condé against the Spanish army under Archduke Leopold in the Thirty Years War (1618-1648). ... The area on which Prague was founded was settled in ancient times since the Paleolithic Age. ... February 23 is the 54th day of the year in the Gregorian Calendar. ... // Events January 10 - Archbishop Laud executed on Tower Hill, London. ... The victory of Gustavus Adolphus at the Battle of Breitenfeld (1631) The Thirty Years War was a conflict fought between the years 1618 and 1648, principally on the territory of todays Germany, but also involving most of the major continental powers. ... Hakkapeliitta (also known as Hackapelit, Hackapelite, Haccapelit or Haccapelite), was the name given in Germany to the Finnish horsemen of King Gustav II Adolph of Sweden during the Thirty Years War. ...