There's probably a pretty good explanation for why this happens because its not the first time that this has happened for me. On occasion, I will re-post something on Facebook and the entire post will get deleted. Why does this happen?
I simply traced back the name and timeline of this image and found this: http://www.gocomics.com/waynovision/2016/05/11 Apparently, it was created on May 11, of 2016.
Here's the first result that comes up on Google when it comes to dealing with "posts being deleted from Facebook Timeline": http://www.makeuseof.com/answers/posts-disappear-facebook-wall/ What gives?