Cyrillic alphabets - Wikipedia
https://en.wikipedia.org/wiki/Cyrillic_alphabetsNumerous Cyrillic alphabets are based on the Cyrillic script.The early Cyrillic alphabet was developed in the First Bulgarian Empire during the 9th century AD (in all probability in Ravna Monastery) at the Preslav Literary School by Saint Clement of Ohrid and Saint Naum and replaced the earlier Glagolitic script developed by the Byzantine theologians Cyril and Methodius (in all …
Cyrillic alphabet | Definition, History, & Facts | Britannica
https://www.britannica.com/topic/Cyrillic-alphabet30.12.2021 · Cyrillic alphabet, writing system developed in the 9th–10th century for Slavic-speaking peoples of the Eastern Orthodox faith. It is currently used exclusively or as one of several alphabets for more than 50 languages, notably Belarusian, Bulgarian, Kazakh, Kyrgyz, Macedonian, Russian, Serbian, and Tajik.
Russian alphabet - Wikipedia
https://en.wikipedia.org/wiki/Russian_alphabetInitially an old variant of the Bulgarian alphabet, it became used in the Kievan Rus' since the 10th century to write what would become the Russian language. The modern Russian alphabet consists of 33 letters. It has twenty consonants ( б , в , г , д , ж , з , к , л , м , н , п , р , с , т , ф , х , ц , ч , ш , щ ), ten ...