Historical story

What world events happened between 780 and 850 ad?

* 780: The Abbasid caliphate's forces capture the Byzantine city of Nicaea.

* 789: The Vikings begin raiding England.

* 793: The Umayyad caliph Hisham I dies, and the caliphate enters a period of civil war.

* 796: Charlemagne becomes King of the Franks.

* 800: Charlemagne is crowned Holy Roman Emperor by Pope Leo III.

* 814: The Second Council of Nicaea is held.

* 820: The Idrisid dynasty is founded in Morocco.

* 829: The Aghlabid dynasty is founded in Tunisia.

* 833: The Tang Dynasty in China begins the An Lushan Rebellion.

* 843: The Treaty of Verdun divides the Frankish Empire into three parts.

* 845: The Abbasid caliph Al-Mutawakkil is assassinated, and the caliphate enters another period of civil war.