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:

👩‍🚒👨‍🚒🧯Today #Russia celebrates the #Firefighters Day. #OTD On April 30, 1649, Tsar of @Russia Alexei Mikhailovich established the first #Russian Fire Department. 🙏🏼We are #grateful to these brave men with 💔big heart! #Hero #EveryDayHeroes https://t.co/EfiwjAVkVW