The Orthodox liturgical bookVaraždin Apostol from 1454 represents the oldest preserved text in Cyrillic from the territory of today's Croatia.[1] Croatian Constitutional law on national minorities rights, one of only two constitutional laws in country, entered into force on 23 December 2002.[2]
In the school year 2010–2011, 3.742 students attended kindergartens, primary and secondary schools in Serbian.[5] 59 educational institutions offered Serbian language education that year and 561 educators and teachers worked in them.[5] In school year 2011–2012 the total number of students was 4.059 in 63 educational institutions and 563 educators and teachers worked in them.[5] Number of classes or groups in this period increased from 322 to 353.[5]
Various minority organizations use Serbian in their work. One of them, Association for Serbian language and literature in Croatia from Vukovar is a nonprofit professional organization that brings together scientists and technical workers in the Republic of Croatia engaged in studying and teaching of Serbian language and literature.