The document discusses the history and purpose of the European Day of Languages, which is celebrated annually on September 26th. It notes that in 2001, UNESCO proclaimed the 21st century as the century of polyglots, or multilingual people, and the first European Day of Languages was established. The goal of the holiday is to promote cultural and linguistic diversity and encourage language learning. The document provides background on the history of different European languages and their roles over time, and discusses stereotypes about different European nationalities.