Pope gregory i: 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 CE and 1270 CE and many...

The Sixth Crusade (1228-1229 CE), which for many historians was merely the delayed final chapter of the unsuccessful Fifth Crusade (1217-1221 CE), finally saw the Holy Roman Emperor Frederick II (r. 1220-1250 CE) arrive with his army in the...

Leo III was emperor of the Byzantine Empire from 717 to 741 CE. He founded the Isaurian dynasty which ruled until 802 CE. The emperor was a talented administrator, and he revamped the empire's political apparatus and legal code. Leo's reign...

The medieval indulgence was a writ offered by the Church, for money, guaranteeing the remission of sin, and its abuse was the spark that inspired Martin Luther's 95 Theses. Luther (l. 1483-1546) claimed the sale of indulgences was unbiblical...

As the Protestant Reformation emerged in France in the early 16th century, the city of Meaux became one of the first centers of controversy. Bishop Guillaume Briçonnet II undertook a campaign to reform the Catholic Church from within and...

Religious practice in medieval Europe (c. 476-1500) was dominated and informed by the Catholic Church. The majority of the population was Christian, and "Christian" at this time meant "Catholic" as there was initially no other form of that...

Ancient Armenia, located in the south Caucasus area of Eurasia, was settled in the Neolithic era but its first recorded state proper was the kingdom of Urartu from the 9th century BCE. Incorporated into the Persian Empire of Cyrus the Great...

Geghard (Armenian: Geghardavank or "monastery of the spear") is a medieval monastery located in Armenia's Kotayk province, deep within the Azat Valley, which was built directly out of an adjacent mountain. Geghard is renown throughout Armenia...

Martin Luther (l. 1483-1546) was a German priest, monk, and theologian who became the central figure of the religious and cultural movement known as the Protestant Reformation. Even though earlier reformers had expressed Luther's views, his...

The Civil Constitution of the Clergy was a law passed in July 1790 during the French Revolution (1789-1799), which caused the immediate subordination of the Catholic Church in France to the French government. An attempt to modernize the Church...