I'm making a timeline in Wordpress, and I'm trying to make a post with the date January 12, 1800, but Wordpress doesn't allow me. Apparently, it doesn't let me post anything before the year 1970. Is there any way to fix it?
PHP (the programming language WordPress is written in) uses a unix timestamp, which is the number of seconds since the 1st January 1970. This means that you can't use dates before that date, as that's "the beginning of time" according to PHP.
Sorry if that wasn't the answer you wanted :(