One of the most enduring myths today about the Council of Nicaea is that the council members voted on which books to include in the Bible. This myth is sometimes expanded to include Emperor Constantine as some driving political force...

Emperor Constantine the Great famously converted to Christianity in the early 4th century CE. But how did this happen? What did Constantine really believe?

I didn’t want to make this video, for a long time. Not because Constantine XI is some drab old king bogged down in meaningless politics, of course, but because I was honestly afraid that I wouldn’t be able to do this story justice,...

Roman Emperors Family Tree | Diocletian to Constantine VI

Byzantine Emperors Family Tree (Constantine the Great to 1453)

Constantinople was one of the most important cities in history, linking Europe and Asia for over a thousand years. Founded by Emperor Constantine and known as the “New Rome,” it became the capital of the mighty Byzantine Empire. Its...

Constantine's legacy was seismic: by the time of his death, an estimated 40% of the population were Christians. Less than 50 years later, Christianity was declared the official religion of the Roman Empire. From the Series: Eight Days...

Were they Emperor Basil II's greatest enemy? - Battle of Setina, 1017 AD

In which John Green teaches you about the fall of the Roman Empire, which happened considerably later than you may have been told. While the Western Roman Empire fell to barbarians in 476 CE, the Byzantines in Constantinople continued...

This video details the strategic maneuvers and decisive victory of Roman Caesar Galerius over Sasanian King Narsa in the late 3rd century, showcasing the intricate political landscape and military tactics of the time. Through cunning...

This video describes Emperor Aurelian's strategic military campaign against Zenobia and the Palmyrene Empire in the 3rd century AD. It highlights Aurelian's meticulous planning, tactical brilliance, and diplomatic acumen in defeating...

In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way,...

In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way,...

Constantine had restored full rights to Christians in the Roman Empire with the Edict of Milan, but he did not expect theological debates to divide the church. Conflict between the orthodox church and both the Donatists and the Arians...

The continuation in answering how revolutionary was Christianity in its early form.<br/>
How Christianity Shapes Our Morality, Part 3

Most history books will tell you that the Roman Empire fell in the fifth century CE, but this would've come as a surprise to the millions who lived in the Roman Empire through the Middle Ages. This Medieval Roman Empire, today called the...

The Council of Nicaea convened to decide the guiding rules of the church - and to resolve the questions posed by Arian theology. A deacon named Athanasius set himself against Arius and succeeded in getting his teachings declared heresy....

Watch Hikma History's video here! • How The Ottomans ...

So get this: 1444, Ottoman Sultan Murad II signs a peace deal with Hungary and then decides that’s it, his work here is done, the empire is saved forever, and gives the...

The Basilica of Maxentius and Constantine , sometimes known as the Basilica Nova - meaning "new basilica" - or Basilica of Maxentius, is an ancient building in the Roman Forum, Rome, Italy. It was the largest building in the Forum...

In 1825, Pavel Pestel and other Decemberist leaders planned to assassinate Emperor Alexander I and establish a republic, but their plans were disrupted when Alexander unexpectedly died. Amid the confusion of succession, with Grand Duke...

Trier, Germany's oldest city, was founded in 18 BC under Roman Emperor Augustus and became a center for Christianity under Constantine the Great, with its Roman streets, baths, and amphitheater reflecting its ancient heritage. The city’s...

In December 1825, following the sudden death of Emperor Alexander I, Russia faced uncertainty over its next ruler. As Nicholas I struggled to claim the throne, a secret society of military officers known as the Decemberists...

The Hagia Sophia is a super famous building in Istanbul. Officially, at least according to the Turkish government, it is a museum. But it was originally built as a church and then was converted into a mosque after the Ottoman conquest of...

How Did the Nicene Creed Form? This famous statement of Christian orthodoxy is recited all over the world today. But it was actually composed in the 4th century during a theological controversy. What was this controversy? And what can it...