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 #DiaDeEuropa 🇪🇺  
Celebramos la paz, la unidad y la solidaridad del continente europeo.
¿Qué significa la Unión Europea para ti? https://t.co/3HRjvEogT0