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
Europe Day Day". Both days are celebrated by displaying the Flag of Europe. The Council of Europe was founded on 5 May 1949, and hence it chose that day for its celebrations when it established the holiday in 1964. The "Europe Day" of the EU was introduced in 1985 by the European Communities (the predecessor organisation of the EU) The date of commemorates the Schuman Declaration of 9 May 1950. The declaration proposed the pooling of French and West German coal and steel industries, leading to the creation of the European Coal and Steel Community, the first European Community, established in 1952.