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:

#OTD in 2016 - 4 years ago - Alexander Prokhorenko dubbed the "Palmyra Hero" was posthumously awarded the title Hero of Russia 🎖️ for his heroic deeds during the liberation of #Palmyra and #Syria from #ISIS terrorists. 🇷🇺🇸🇾  Both Russians &amp; Syrians will #NeverForget his sacrifice https://t.co/WdMnge8OFw