"Ostro\u0142\u0119ka" . . . . "1831-05-26" . . . . . . "6,400" . . . "Congress Poland" . . . . . . "48,467, 138 cannons" . "general battle at Ostrolenka" . "battle of Ostro\u0142\u0119ka" . . . . . "Battle of Ostro\u0142\u0119ka (1831)" . . . "53,262, 245 cannons" . . . "Battle of Ostro\u0142\u0119ka (1831)" . . "Ostro\u0142\u0119ka 26 V 1831" . "Battle of Ostro\u0142\u0119ka" . . . "or 8,000 dead" . . . "Ostroleka" . . . . . "Imperial Russia" . . "Russian victory" . . . . . .