Centre for Lusophone and European Literatures and Cultures Eça de Queirós and Father António Vieira, among other great Lusophone authors, through the publishing of previously unavailable sources and reference works, including complete works of the great figures from the History of Portuguese culture. The interchange of knowledge between Lusophone and European cultures has also been expanded, giving rise to interartistic studies (coordinated by Annabela Rita), to the imaginary of cultural studies (coordinated by José Eduardo Franco), to the studies on interculturality of the iberian world and the Slavonic world (coordinated by Béata Cieszynska), to the studies on the didactics of literature, the work in oral and traditional literatures,
Demographics of the European Union countries joined the European Union, and Croatian becoming official in 2013. English is the most spoken language in the EU, being spoken by around 51% of its population. This high proportion is because 38% of EU citizens speak it as a language other than their mother tongue (i.e. second or foreign language). German is the most spoken first language, spoken by more than 18% of the population. The EU faces challenges in its demographic future. Most concerns center around several related issues: an ageing population, growing life expectancy and immigrant flow. After hitting a historical low of 1.47 children born