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 we celebrate 70 years of European solidarity that offered a helping hand to rebuild &amp; reunite a continent on the ashes of WWII and to build prosperity. The same solidarity is needed to save lives, livelihoods and build a green &amp; digital future. Long live Europe 🇪🇺#EuropeDay https://t.co/xwZBiTrVSc