Christianization of Bulgaria

May 24 – Day of Slavonic Letters and Literature

As you may probably know, Bulgaria is the only country in the European Union that uses the Cyrillic alphabet. Our entry into the EU in 2007 made Cyrillic the third official alphabet in the EU after the Latin and Greek ones. On May 24th we celebrate the Slavonic Literature and Culture. We also honor the creators of the Cyrillic alphabet - the brothers St. Cyril and St.