Throughout the history of Rome, from the republic to the age of empire, the Roman Legions were the best conventional fighting force in world history up to the end of the empire in the 5th century AD.

Herodian’s History of the Roman Empire starts with the observation that “in a period of 60 years, the Roman imperial power ...

The U.S.-born leader of the Holy Apostolic Catholic Assyrian Church of the East discusses the rapid decline of Christianity ...

Constantinople fell, and Emperor Constantine XI’s sacrifice marked the end of an era and a legacy of faith and defiance.

The Rule of St. Augustine offered monks a firm structure for their daily lives of work and prayer, even before the mendicant ...

Historian Faith Tibble examines the origin of one of the most famous images in the Christian world and how it changed over ...

Chicago Cardinal says when Pope Leo XIV is ready to travel to the United States, he will push for a Chicago stop.

Likewise the prominent part played by the stories of popes Leo I, III and IV in Raphael’s ... to cement the place of a western European Holy Roman Emperor. Leo’s coronation of Charlemagne ...

Pope Leo I tangled with Attila the Hun and won. Pope Leo III crowned Charlemagne as the first Holy Roman Emperor. This is the history of a legendary papal namesake. Cardinal Robert Francis Prevost ...

Soon after becoming pope, Leo III was attacked by supporters of ... He was the chosen candidate of Holy Roman Emperor Otto I, who pushed for his election after deposing his predecessor, John ...

Otto I the Holy Roman Emperor pushed for Leo VIII ... During his 20-year papacy, Leo III crowned a Roman Emperor, setting a legal precedent that the "pontiff was the only individual with the ...