Culture and Literacy Day is a day celebrated in Bulgaria each 24 May.
The day marks the significance of the Bulgarian language and the Cyrillic alphabet.
Saint Cyril and Methodius Day is observed by the Eastern Orthodox Church twice a year: on May 11 and 24.
The most popular day for celebration is May 24.
Saint Cyril and Methodius are venerated by the Orthodox and Roman Catholic Churches.
They influenced on the cultural development of all Slavs and introduced the first alphabet to transcribe Old Church Slavic, the first Slavic literary language.