Complex sentence: Duala Bukare was the inventor of the syllabary used for writing the Vai language of Liberia; noteworthy for being one of the few sub-Saharan African languages to develop its own writing system around 1833, although dates as early as 1815 have been alleged.
Split into simpler sentences: Duala Bukare was the inventor of the syllabary used for writing the Vai language of Liberia--noteworthy for being one of the few sub-Saharan African languages to develop its own writing system. He is thought to have invented it around 1833, although dates as early as 1815 have been alleged.