Pope Urban II: Did you mean...?

The Crusades were a series of military campaigns organised by Christian powers in order to retake Jerusalem and the Holy Land back from Muslim control. There would be eight officially sanctioned crusades between 1095...

The cohortes urbanae (urban cohorts) were a body of troops garrisoned at Rome, which was created by Augustus to provide additional security for the emperor and city in general. Expanding in the reigns of...

The fragments of this urban courtyard mosaic come from Augusta Raurica, which is located in modern Switzerland. It dates from c. 200 CE and was made by the ancient Romans.

The Diet of Worms (January-May 1521) was the assembly convened by Charles V, Holy Roman Emperor to address, among other issues, the works of the reformer Martin Luther (l. 1483-1546) who openly criticized the Church. Luther was...

In the study of the ancient world a City is generally defined as a large populated urban center of commerce and administration with a system of laws and, usually, regulated means of sanitation. This is only one definition, however...

This mosaic came from a manorial villa in the city center of Augusta Raurica. It was created around c. 200 CE, and it decorated the floor of a summer dinning room.

The First Crusade (1095-1102) was a military campaign by western European forces to recapture the city of Jerusalem and the Holy Land from Muslim control. Conceived by Pope Urban II following an appeal from the Byzantine emperor...

Pope Innocent III (not to be confused with anti-pope Innocent III), r. 1198-1216 CE, is depicted in this print from Chronologia Summorum Romanorum Pontificum, published in 1675 CE. The text at the bottom reads "Innocent III...

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...

The tiara of Pope Pius IX (in office 1846-1878). Made in 1854. Made of a trio of gold crowns set with diamonds, emeralds, sapphires, pearls, and other jewels around a silver-thread fabric. It measures 35 cm (13.7 in) in height...