Also this, in case anyone ever needs it to make heads explode:

True, the crescent & star was indeed used by Christians first. Doubters, see: http://t.co/zQZN1q2OX5 #ignorance https://t.co/SHsXCOrYQw

— CuriousLurker (@CuriousLurker) September 6, 2015

To Evangelicals claiming Islam is satanism bc of the crescent+star: this is the banner of Constantinople before 1453 pic.twitter.com/N0lmmZx3nb

— Anna Komnene (@KuchukHanem) September 6, 2015