century, Cyril and Methodius, pictures, devised a written script calle Cyrillic for Slavic people. This was a base for literature in easten Europe. The Byzantines let local these languages into church services.
council of constance 1414 - Execrabilis is a papal bull issued by Pope Pius II on 18 January 1460 condemning conciliarism. The bull received its name from the opening word of its Latin text, which labelled as "execrable" all efforts to appeal an authoritative ruling of a Pope to a council.