The present article is devoted to the Volhynian Slaughter in the context of Ukrainian crisis. Research focuses on interpretation of intentional using (by Russia, Ukraine, Poland) of issues related to the extermination of Polish civilians carried out by Ukrainian nationalists. The article is divided into three parts. The first part refers to the propaganda policy of the Russian Federation. In this part author presents how the Kremlin uses issues related to the Volhynian Slaughter to create narrative favorable for itself. The second part is devoted to the process of building of Ukrainian national identity on the legacy of Ukrainian nationalism. In this part the author analyses also specific activities of Ukrainian authorities, which are linked to the subject matter of the article. The third part includes analysis of the Volhynian Slaughter in the context of Ukrainian crisis through the prism of Polish raison d’État. This part depicts not only the Polish perception of the Volhynian Slaughter but also explains links between subject matter and the geopolitical significance of Ukraine for Poland. All three parts of research are interconnected and belong together.