A 210 year old Bible says we’re about to hit the year 6000. Millennial Day Theory lining up?

there was a post a while back asking what is some peoples favorite conspiracy? and one of the if not the top comment was talking about the millennial reign. I cant seem to find the post but there was so many interesting comments in there and tidbits of information it was insane. I hope to uncover more in my own research now but its difficult.