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:

🗓On April 17, 1824, the Russian-American Convention – the first interstate treaty between Russia and the United States was signed. The document defined the borders of Russian possessions in North America. 
🔗https://t.co/PB7esjAoUJ
#Russia #USA #Diplomacy https://t.co/k8k19KKra5