Centre for Lusophone and European Literatures and Cultures Centre for Lusophone and European Literatures and Cultures The Centre for Lusophone and European Literatures and Cultures of the Faculty of Letters, University of Lisbon (CLEPUL) is a research unit of the University of Lisbon based on the Faculty of Letters of the University of Lisbon. CLEPUL was founded by Jacinto do Prado Coelho after the Carnation Revolution, at the time with the designation of Centre for Portuguese Literatures of the Universities of Lisbon. Its main purpose is the promotion and research on literatures and cultures of the Lusophone countries. Today, CLEPUL is one of the largest research centres in
Proto-Indo-European language concerning PIE since there is no written record of the language. PIE is estimated to have been spoken as a single language from 4500 BC to 2500 BC during the Late Neolithic to Early Bronze Age, though estimates vary by more than a thousand years. According to the prevailing Kurgan hypothesis, the original homeland of the Proto-Indo-Europeans may have been in the Pontic–Caspian steppe of Eastern Europe. The linguistic reconstruction of PIE has also provided insight into the culture and religion of its speakers. As Proto-Indo-Europeans became isolated from each other through the Indo-European migrations, the Proto-Indo-European language became spoken