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 #NavalAviationDay - long history &amp; rich traditions with many unique aircraft tailored for working in marine conditions. This day was established in commemoration of a victory claimed by Russian fighter pilots over Baltic Sea in 1916, during #WWI https://t.co/aCQKPG2pXM