From Caliph Ibrahim Baghdadi to the ginger jihadist Omar al-Shishani: IS bureaucratic organisation revealed.
IBTimes UK tracks main events since jihadi group declared a caliphate in Iraq and Syria.
One fifth of people living in northern Iraq's population are now refugees.
Islamic State has had to become more creative with its financing as oil revenue declines.
As a journalist I have swallowed the Isis bait and given the group a relentless stream of publicity.
Hundreds of Britons have headed to the Middle East to fight for Isis and other radical groups
IS revels in documenting acts of savagery but there's more to it that is at odds with its public image.
The fall of the city was a crushing strategic blow to the Iraqi army and its allies.