Republic Day is observed in the Republika Srpska, a political entity within Bosnia and Herzegovina, every January 9. This significant holiday commemorates the establishment of the Serbian Republic of Bosnia and Herzegovina in 1992, which was later renamed the Republika Srpska. The day coincides with St. Stephen's Day on the Julian calendar, a patron saint's day for Orthodox Serbs, and is often referred to as the Slava of Republika Srpska. Celebrations typically include special religious services held in Serbian Orthodox churches, reflecting the holiday's religious dimension. Republic Day is one of the most important public holidays in the Republika Srpska, highlighting its cultural and historical significance.