the head of the group, al baghdadi delivered he would kau call eight sermon, he declared eight caliphate. he declared himself on the calif and that was the first and only time baghdadi has appeared if public. this summer they led forces, back. they closed in, that historic mosque where baekd had given that speech, isis packed that mosque with explosiveexplosives destroyed it. they reduced it to rubble. but then rack force did retake mosul. then there is raqqa, it s a city on the banks o. euphrates river, it was first captured by syrian rebels in 2013 and 2014, isis captured it and declared it, its capital. raqqa was used as a command center for the middle east and west and a place where isis held