St. Martin's Day calendar. It remains popular today, especially among young people and the rural population. Martinmas celebrates the end of the agrarian year and the beginning of the winter period. Among Estonians, Martinmas also marks the end of the period of All Souls, as well as the autumn period in the Estonian popular calendar when the souls of ancestors were worshiped, a period that lasted from November 1 to Martinmas (November 11). On this day children disguise themselves as men and go from door to door, singing songs and telling jokes to receive sweets. In Southern Estonia, November is called "Märtekuu" after
2016 Republika Srpska National Day referendum the declaration of Republika Srpska (formerly the Republic of the Serb people of Bosnia and Herzegovina) on 9 January 1992, the national day in the entity has been celebrated on that date. On 26 November 2015 the Constitutional Court of Bosnia and Herzegovina ruled against the constitutionality of the RS National Day, held on 9 January, deeming it discriminatory against non-Serbs. The date marks the Orthodox day of St. Stephen (which is also the "slava" of RS, St. Stephen being the patron saint), as well as the 1992 establishment of Republika Srpska as a breakaway entity of the then Republic