FRM5624353: Grunwald, Poland, 15.07.1978. Young soldier lying on grass during a meeting with families at an oath ceremony. On the 35th anniversary of taking over Sielce on the Oka river the oath by newformed Polish 1st Tadeusz Kosciuszko Infantry Division new class of soldiers took their oath at the Grunwald Fields. Grunwald is the battlefield on which Polish and Lithuanian knights defeated theTeutonic army. / Bridgeman Images