Seems like I recall something from my Bible classes about the Romans censoring Christian teachings by crucifying the teachers.
Leo X also tried censorship, but his effort failed spectacularly.
https://en.wikipedia.org/wiki/Exsurge_Domine
Exsurge Domine (Latin for ‘Arise, O Lord’) is a papal bull promulgated on 15 June 1520 by Pope Leo X. It was written in response to the teachings of Martin Luther which opposed the views of the Church.