This was one of those facts that felt like pulling back the curtain and seeing Oz for who he is. When I learned this, it was like an itch I couldn't scratch. Why is the worlds labor day about us... Why is our labor day not? None of the answers to the second question felt satisfying.
Oh Jesus, I'm learning this now for the first time... So they not only ignore May 1st and it's history but also replace it with a Fascist/Nationalist "holiday". Fucking awesome.
I feel ya, it's one of those books that really cements the validity of the quote, “The history of all hitherto existing human society is the history of class struggles.”