You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

Hoy celebramos el Día Internacional de la #LenguaMaterna 🙌 👄 🗣️

¡Celebremos juntos la diversidad cultural y lingüística de Europa y el mundo! 🇪🇺🌎
#IMLD #InternationalMotherLanguageDay https://t.co/J7UKvkqgqu