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
Phoenician alphabet from one or more scripts that ultimately trace their roots back to the Phoenician alphabet. Many Western scholars believe that the Brahmi script of India and the subsequent Indic alphabets are also derived from the Aramaic script, which would make Phoenician the ancestor of virtually every alphabetic writing system in use today. However, due to an indigenous-origin hypothesis of Brahmic scripts, no definitive scholarly consensus exists. Phoenician alphabet The Phoenician alphabet, called by convention the Proto-Canaanite alphabet for inscriptions older than around 1050 BC, is the oldest verified alphabet. The Phoenician alphabet is an abjad consisting of 22 letters, all