Atheist Republic was mentioned on The Observer's article: Facebook Blocks Posts From Atheist, Ex-Muslim Pages written May 12, 2017 by John Bonazzo.
A snippet from the article:
Allie Jackson, CEO of Atheist Republic, told the Observer that her page was restricted and unpublished without any notice—this was the first time Atheist Republic has been shut down, though individual posts have been removed before. The group filed several appeals and reached out to members with connections at Facebook, but people at the organization were reluctant to talk.
You can read more of the article by clicking here.