Translate the following English sentence to French:
"Fourthly, increasing audiences for culture, with particular emphasis on attracting young people to culture and, fifthly, protecting the common cultural heritage on the European scale as well as the history of the peoples of Europe, and making them better known."
Quatrièmement, élargir les publics faisant notamment une large place aux jeunes et cinquièmement, sauvegarder et mieux faire connaître le patrimoine commun d'importance européenne ainsi que l'histoire des peuples européens.