an Entity references as follows:
George's Day in Spring, or Saint George's Day (Serbian: Ђурђевдан, romanized: Đurđevdan, pronounced [ˈdʑûːrdʑeʋdaːn]; Bulgarian: Гергьовден, romanized: Gergovden; Macedonian: Ѓурѓовден, romanized: Ǵurǵovden; Russian: Егорий Вешний, romanized: Yegoriy Veshniy, or Russian: Юрьев день весенний, romanized: Yuryev den vesenniy, lit. 'George's Day in Spring'), is a Slavic religious holiday, the feast of Saint George celebrated on 23 April by the Julian calendar (6 May by the Gregorian calendar). In Croatia and Slovenia, the Roman Catholic version of Saint George's Day, Jurjevo is celebrated on 23 April by the Gregorian calendar.