One of the many controversies surrounding the appearance of the Bulgarian alphabet is who really created it. Arriving in Great Moravia, at the request by its Prince Rostislav to Byzantine Emperor Michael III, the brothers Cyril and Methodius..
Events celebrating the Day of the Slavonic Alphabet, Bulgarian Education and Culture were organized throughout Bulgaria, as well as by Bulgarians around the world. The traditional mass gatherings were cancelled because of the anti-epidemic..