The Islamic State of Iraq and the Levant (ISIL, also known as ISIS) has formally declared the establishment of a new "caliphate," or Islamic state, in territory it has seized in Iraq and Syria.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. I just pledged allegiance to the Caliphate. This may sound like a ...

Two weeks ago Glenn Beck introduced much of the world to the word caliphate. Shortly after the Egypt uprisings began, Beck used two chalkboards to 'explain' what was happening there and went on to ...

ISIS has made huge territorial gains in the border areas between Iraq and Syria during the past month, as well as capturing strategic cities such as Mosul and Tikrit. Now its leader Abu Bakr ...

It is not often that regimes wither away and leave behind troves of documents for posterity. It happened in Germany with the Nazi Third Reich and under the German Democratic Republic. Now, to an ...