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 Saint Petersburg, Russia’s “Northern Capital”, celebrates the 317th anniversary of its foundation! #OTD in 1703 Russian Tsar Peter the Great founded The Peter and Paul Fortress - the original citadel of St. Petersburg. #RussianHistory https://t.co/De7DCKvNoz