Your ignorance not withstanding, there are several references to the notion of the Rapture removal of the Body of Christ way earlier than the sixteenth century. But I doubt you would even want to know that since it would shatter your false narrative.
Nah, red ain’t the one who be ignorant. But if you want to call us fools for Christ while you keep your gnosis.....
Prior to the 16th century there was speculation the world would end, but no "secret Pre-Trib rapture" -- the only thing in common with the rapters were FAILS - folks thought the world would end in 1000 AD, then in 1033 -- both fails, like your numerous rapture fails