challenge: Who led the Lithuanians to victory against the invading Tatars in 1506 at Połonka?
  
  A. Stefan Czarniecki and Paweł Jan Sapieha
  B. Stanisław Kiszka and Michał Gliński
  C. Ivan the Terrible and Peter the Great
  D. Vladimir the Great and Sviatoslav I
  Answer: 