SS. Cyril and Methodius National Library SS. Cyril and Methodius National Library The SS. Cyril and Methodius National Library (Национална библиотека „Свети Свети Кирил и Методий“) is the national library of Bulgaria, situated in the capital city of Sofia. Founded on 4 April 1878, the library received the status of Bulgarian National Library three years later and the Bulgarian National Revival Archive was merged into it in 1924. It is named after "SS. Cyril and Methodius"; Saints Cyril and Methodius. They are the creators of the Glagolitic alphabet. The Cyrillic alphabet is named after Cyril. The present building of the library is among the landmarks of
Soyombo alphabet Soyombo alphabet The Soyombo alphabet (, "Soyombo biçig") is an abugida developed by the monk and scholar Zanabazar in 1686 to write Mongolian. It can also be used to write Tibetan and Sanskrit. A special character of the script, the Soyombo symbol, became a national symbol of Mongolia, and has appeared on the national flag since 1921, and on the Emblem of Mongolia since 1960, as well as money, stamps, etc. The Soyombo script was created as the fourth Mongolian script, only 38 years after the invention of the Clear script. The name of the script alludes to this story.