A now unused script that is the basis of modern Cyrillic, most likely a development from Bulgaria and not directly from St. Cyril. The parentage of OCS Cyrillic is not debated though the reasons for the naming conventions of Cyrillic and Glagolitic are unclear.
Ocs Cyrillic
The Lord's Prayer in Church Slavonic
Owner: Dominik Maximilián Ramík; Taken from scriptsource.org
Unicode Chart 
DISCLAIMER: This script is still being researched
Data
| ISO 15924 | Cyrs 221 |
|---|---|
| Type | Alphabet |
| Family | Ocs Greek |
| Direction | LTR |
| Diacritics | Yes |
| Contextual Forms | No |
| Capitals Used | No |
| Glyphs | 49 |
| Inventor | Bulgarian students of St. Cyril and St. Methodius (Thessaloniki brothers) |
| Earliest Location | East Bulgaria |
| Earliest Date | 868 CE |
| Latest Date | 900 CE |
| Ancestry |
|
Overview
Bibliography
| Author | Year | Publication | Publisher |
|---|---|---|---|
| Cubberley, Paul | 1996 | The World's Writing Systems, The Slavic Alphabets, 346-349 | Oxford University Press |
| Cubberly, Paul; ed. Corbett, Greville and Comrie, Bernard | 2001 | The Slavonic Languages, p. 20-59 | Routledge |
| Hetényi, Martin and Ivanič, Peter | 2021 | The Contribution of Ss. Cyril and Methodius to Culture and Religion, 2021, Vol. 12 (6), p. 417 | Religions (Basel, Switzerland) |
See Also
- https://scriptsource.org/cms/scripts/page.php?item_id=script_detail&key=Cyrs
- https://scriptsource.org/cms/scripts/page.php?item_id=entry_detail&uid=vf67g8af29
- https://www.unicode.org/versions/Unicode15.0.0/ch07.pdf
- https://en.wikipedia.org/wiki/Early_Cyrillic_alphabet
- consilium.europa.eu/en/documents-publications/library/library-blog/posts/celebrating-the-cyrillic-alphabet/#:~:text=Some%20researchers%20believe%20that%20the,after%20his%20teacher%20St%20Cyril.