Bulgarian Education and Culture, and Slavonic Literature Day (Bulgarian: Ден на българската просвета и култура и на славянската писменост) is a national holiday in Bulgaria celebrating Bulgarian culture and the invention of the Slavic (Glagolitic) alphabet by the brothers Saints Cyril and Methodius.
Bulgarian Education and Culture, and Slavonic Literature Day (Bulgarian: Ден на българската просвета и култура и на славянската писменост) is official holiday in Bulgaria. The holiday is often called St. Cyril and Methodius Day because of invention of the Slavic (Glagolitic) alphabet by the brothers Saints Cyril and Methodius.