I’d never heard of this guy until yesterday, but Casimir Liszinski (a.k.a. Kazimierz Łyszczyński) was a Polish soldier executed for the crime of atheism in 1689.
Zenon Kalafaticz created an English-language documentary about how atheism fares in Poland more than three centuries after Liszinski was killed. In it, he speaks with a number of Polish atheist leaders and describes why there’s so much pushback against the powerful Catholic Church.
I watched excerpts of it yesterday and it looks fascinating (though I can’t shake how the narrator’s voice sounds like one you’d hear in an episode of “South Park”). In any case, if you have some time, check out 324 Years After…: