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:

Para los estadounidenses, la bandera simboliza la unión de una nación y de valores compartidos, incluyendo la libertad de expresión, la libertad de reunirse y de protestar pacíficamente. #FlagDay2020 https://t.co/Nt1IrtaUnF