It started in 1999 with the purpose of promoting linguistic and cultural diversity and multilingualism.

该节日成立于1999年，其目的是要促进语言和文化的多元性，以及多语种化。

Secondly, multilingualism can be a competitive advantage.

其次，使用多种语言可以成为一种竞争优势。

Other objectives are to alert the public to the wide range of languages to increase multilingualism and intercultural understanding, and to promote the rich linguistic and cultural diversity of Europe.

目标还包括提醒欧洲民众接触广泛的语言以提高多语言能力和增进跨文化理解，同时提高欧洲语言和文化多样性的丰富程度。