Makhnovia

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After the Russian Revolution in 1917, a band of revolutionaries lead by Nestor Makhno established an anarchic society in Southeastern Ukraine.  This wasn't your normal podunk commune of a few dozen unwashed hippies.  The Free Territory had 7 million residents, a military over 15,000 and possibly the most badass flag in history which featured a skull and the motto "Death to all who stand in the way of freedom for a working people!"  In other words, they took this shit serious.

In fact, they took things a little too seriously for the liking of the Russian Red Army.  Makhno's territory banned all political parties, including the Bolsheviks (who were more accustomed to doing the banning), and forbade any participation in Soviet militias, police, or any other authoritarian force.  This did not go over well.

Deciding that Makhno was too communist for his own good, the Bolsheviks branded him a bandit warlord.  After a few years of attacks, they succeeded in destroying his army, occupying the territory, and sending Makhno into exile in Paris.  He would later work as a stage hand for the Paris opera, because what other job are you going to get with "leader of a revolutionary anarchic army" on your resume?