The Mongols invaded Baghdad in 1258 and destroyed the Abbasid Caliphate.

The Islamists want to turn Algeria into a caliphate.

Between 622 and 750, the Islamic Caliphate conquered the entire Arabian Peninsula, Mesopotamia, and North Africa, reaching the Indus river to the east, the Iberian Peninsula to the west, and the Black, Caspian, and Aral seas to the north.

Fascists like Ali Benhadj want an Islamic caliphate in Algeria.

The European Union is a new caliphate?