Which country adopted the Cyrillic alphabet first?
The layout of the alphabet is derived from the early Cyrillic alphabet, itself a derivative of the Glagolitic alphabet, a ninth century uncial cursive usually credited to two bulgarian monk brothers from Thessaloniki (Byzantine), Saint Cyril and Saint Methodius. Although it is widely accepted that the Glagolitic alphabet was invented by Saints Cyril and Methodius, the origins of the early Cyrillic alphabet are still a source of much controversy. Though it is usually attributed to Saint Clement of Ohrid, disciple of Saint Cyril and Saint Methodius from Bulgarian Macedonia, the alphabet is more likely to have developed at the Preslav Literary School in northeastern Bulgaria, where the oldest Cyrillic inscriptions have been found, dating back to the 940s. The theory is supported by the fact that the Cyrillic alphabet almost completely replaced the Glagolitic in northeastern Bulgaria as early as the end of the tenth century, whereas the Ohrid Literary School—where Saint Clement worked—cont
