A Tale of Two Cities In the grand historical narrative of the Islamic world, two cities have stood out as dominant forces: Baghdad, the intellectual, cultural, and scientific hub of the Islamic Golden ...

Baghdad became the centre for science ... Mathematicians in the early Islamic world like Al-Khwarizmi introduced the system to Europe. It was much simpler to use than Roman numbers.

Iraq's prime minister said the leader of Islamic State in Iraq and Syria was killed by Iraqi security forces, with the support of the U.S.-led coalition fighting the group.