Constantine, The Great was the 57th Emperor of the Roman Empire from 306, and the sole holder of that office from 324 until his death in 337. Best known for being the first Christian Roman emperor, Constantine reversed the persecutions of h...

The Council of Nicea convened on May 20, 325 A.D. The 230 church leaders were there to consider a question vital to the church: Was Jesus Christ equal to God the Father or was he something else? Athanasius, only in his twenties, came to the...

Attila the Hun was the Emperor of the Huns from 434 until his death in 453. He was leader of the Hunnic Empire which stretched from Germany to the Ural River and from the River Danube to the Baltic Sea. During his rule, he was one of the mo...

Flavius Odoacer, was a soldier, who in 476 became the first King of Italy (476–493). His reign is commonly seen as marking the end of the Western Roman Empire. Though the real power in Italy was in his hands, he represented himself as the c...

Dionysius Exiguus has left his mark conspicuously, for it was he who introduced the use of the Christian Era according to which dates are reckoned from the Incarnation, which he assigned to 25 March, in the year 754 from the foundation of R...

After the repression of the frightful revolt, Justinian conceived the grandiose project of rebuilding the Great Church from its foundations. This time it was to be built on plans well in advance of the times, using new daring vaulting techn...

The Lombards (Latin Langobardi, Longobards found in older English texts), were Germanic people who migrated southwards to occupy the Hungarian plains during the 6th century and entered the late Roman Empire. Pressure from the Avars caus...

The Crusades were a series of religiously-sanctioned military campaigns waged by much of Latin Christian Europe, particularly the Franks of France and the Holy Roman Empire. The specific crusades to restore Christian control of the Holy Lan...

The Siege of Antioch took place during the First Crusade in 1097 and 1098. The first siege, by the crusaders against the Muslim-held city, lasted from 21 October 1097 to 2 June 1098. Antioch lay on the crusaders' route to Palestine, and ant...

The Siege of Constantinople (1204) destroyed parts of the capital of the Byzantine Empire as it was captured by Crusaders. After the capture the Latin Empire was founded and Baldwin of Flanders was crowned Emperor Baldwin I of Constantinopl...

Osman I was the leader of the Ottoman Turks and the founder of the dynasty that established and ruled the Ottoman Empire. The state, while only a small principality (beylik) during Osman's lifetime, was named after him and would prevail as...

Mehmed II (1432-1481), nicknamed the conqueror, was the sultan of the Ottoman Empire a short time in 1444 to 1446, and from 1451 to 1481. Mehmed II brought an end to the Byzantine Empire by capturing Constantinople in 1453 (during the well-...

The Fall of Constantinople was the capture of the capital of the Byzantine Empire which occurred after a siege laid by the Ottoman Empire, under the command of Sultan Mehmed II. The siege lasted from Thursday, 5 April 1453 until Tuesday, 29...