kings of ukraine and russia, and the first among their equals, of course, was prince konstantin ivanovich ostrovsky, who was the founder of the ostroh academy and a visionary commander. of course, his most famous act of war is the defeat of the moscow army in the battle of orsha in 1514. ukrainians, ancestors of the current belarusians, poles, and lithuanians took part in this battle on our side. this is very important, plus there are also specialists in the event. the coat of arms of the princes of ostrovsky is traditional was in the red field. but volyn is a territory marked by the fact that it was there that the ukrainian insurgency appeared in 1942 , we understand what actually happened. the red and black symbols are not upivsk, but ounivsk, there is a difference, but since the members of oun formed, er, the constituent parts of these units of the upa, it was decided to emphasize this red-black gamut, red is volyn, this of the princes of the island, black is revenge and the land, on the sleeve sign, it is a stretched shield on red and black, on top of which... and the very sign of the ostrog of