Learn more about ISIS, the Islamic militant group that's taken over parts of Iraq and is advancing toward Baghdad.
With its multi-pronged assault across central and northern Iraq in recent weeks, the Islamic State in Iraq and Syria (ISIS) has usurped Al-Qaeda as the most powerful and effective extreme jihadist group in the world.
U.S. Air Force
Vivaldi and Bach die, the first hamburger is sold in the U.S., World War…
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