Sultan: Did you mean...?

The Holy Roman Empire officially lasted from 962 to 1806. It was one of Europe’s largest medieval and early modern states, but its power base was unstable and continually shifting. The Holy Roman Empire was not a unitary state, but a confederation...

Caliphate (“Khilafat” in Arabic) was a semi-religious political system of governance in Islam, in which the territories of the Islamic empire in the Middle East and North Africa and the people within were ruled by a supreme leader called...

The Fourth Crusade (1202-1204 CE) was called by Pope Innocent III (r. 1198-1216 CE) to retake Jerusalem from its current Muslim overlords. However, in a bizarre combination of cock-ups, financial constraints, and Venetian trading ambitions...

The interior of the central dome of the Blue Mosque/Sultan Ahmed Mosque, Istanbul. The mosque was completed in 1616 CE during the reign of Ahmed I, sultan of the Ottoman Empire (r. 1603-1617 CE).

The Fifth Crusade (1217-1221 CE) was called by Pope Innocent III (r. 1198-1216 CE) with the objective, like previous crusades, of recapturing Jerusalem from Muslim control; only this time the strategy was to weaken the enemy by first attacking...

Kilwa, an island located off the coast of East Africa in modern-day southern Tanzania, was the most southern of the major Swahili Coast trading cities that dominated goods coming into and out of Africa from and to Arabia, Persia, and India...

The Crusader States (aka the Latin East or Outremer) were created after the First Crusade (1095-1102) in order to keep hold of the territorial gains made by Christian armies in the Middle East. The four small states were the Kingdom of Jerusalem...

A medieval Teutonic Knight was a member of the Catholic military Deutscher Orden or Teutonic Order, officially founded in March 1198 CE. The first mission of the Teutonic knights was to help retake Jerusalem from the Arabs in the Third Crusade...

The Portuguese colonised Malacca (modern Melaka) on the southwest coast of the Malay peninsula from 1511 and kept it until 1641 when the Dutch took over. The port controlled the Malay Straits which lead from the Indian Ocean (the Andaman...

Leo Africanus (al-Hasan ibn Muhammad ibn Ahmad al-Wazzan al-Fasi al-Granati, 1485-1554) was a diplomat, merchant traveller and scholar who famously voyaged from Timbuktu to the Niger River and wrote 'The Description of Africa' (La Descrittione...