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They have a very interesting Wiki page full of history and tales of their struggles for better living standards. If you're interested, there's also this great documentary from the 70's about 'em.
They also happen to have a really bitchin' flag, IMHO.
As the title mentions, they still exist today, and if you have any interest in unionizing your workplace, they can still train you to become an organizer anywhere in the world, and are unique in that no matter your profession, from welder to coder, they'll help you unionize.
