They became prominent after intervening in Andrew 
They became prominent after intervening in Andrew II's war with the Cumans, but they were later decimated by Algirdas at the Battle of Rudava. They were also defeated at the Battle of Puck by Casimir IV, leading to their surrender of eastern territories in the Treaty of Torun and the end of the Thirteen Years War. Andr? II of Hungary expelled them from Transylvania, and this group eventually became a harmless charitable organization based in Vienna when its last leader Albert turned their base into a hereditary dukedom and converted to Lutheranism. Founded as a hospice brotherhood during the siege of Acre, they quickly became militarized and absorbed both the Order of Dobryzn and the Livonian Order in the mid-thirteenth century. Their invasion of Russia was put down by Alexander Nevsky at the Massacre on Ice. FTP, name this crusading order which controlled Prussia and made war in the Baltic.
They became prominent after intervening in Andrew II's war with the Cumans, but they were later decimated by Algirdas at the Battle of Rudava.
Teutonic Knights [or Teutonic Order; or House of the Hospitalers of Saint Mary of the Teutons in Jerusalem; or Deutscher Ritter Orden; or Haus der Ritter des Hospitals Sankt Marien der Deutschen zu Jerusalem; or Domus Sanctae Mariae Theutonicorum in Jerusalem; do not accept Knights Hospitalers]