Cyrillic script consonants from the older Glagolitic alphabet for sounds not found in Greek. Tradition holds that Cyrillic and Glagolitic were formalized either by Saints Cyril and Methodius who brought Christianity to the southern Slavs, or by their disciples. Paul Cubberley posits that although Cyril may have codified and expanded Glagolitic, it was his students in the First Bulgarian Empire under Tsar Simeon the Great that developed Cyrillic from the Greek letters in the 890s as a more suitable script for church books. Later Cyrillic spread among other Slavic peoples, as well as among non-Slavic Vlachs. Cyrillic and Glagolitic were used for
Siddhaṃ script Siddhaṃ script , also known in its later evolved form as Siddhamātṛkā, is a script used for writing Sanskrit from c. 550 – c. 1200. It is descended from the Brahmi script via the Gupta script and later evolved into the Assamese alphabet, the Maithili alphabet, the Bengali alphabet, and the Tibetan alphabet. There is some confusion over the spelling: ' and ' are both common, though "" is preferred as "correct". The script is a refinement of the script used during the Gupta Empire. The word means "accomplished" or "perfected" in Sanskrit. The script received its name from the