Christianity in the 8th century was much affected by the rise of Islam in the Middle East. By the late 8th century, the Muslim empire had conquered all...

The Western (Latin) and Eastern (Greek) divisions of Christianity began to take on distinctive shape in 7th-century Christianity. Whereas in the East the...

Christianity in the 21st century is characterized by the pursuit of church unity and the continued resistance to persecution and secularization. With the...

In the 9th century, Christianity was spreading throughout Europe, being promoted especially in the Carolingian Empire, its eastern neighbours, Scandinavia...

Christianity in the 12th century was marked by scholastic development and monastic reforms in the western church and a continuation of the Crusades, namely...

Christianity in the 11th century is marked primarily by the Great Schism of the Church, which formally divided the State church of the Roman Empire into...

In 6th-century Christianity, Roman Emperor Justinian launched a military campaign in Constantinople to reclaim the western provinces from the Germans...

The Eastern Roman (Byzantine) imperial church headed by Constantinople continued to assert its universal authority. By the 13th century this assertion...

Christianity in the 4th century was dominated in its early stage by Constantine the Great and the First Council of Nicaea of 325, which was the beginning...

Christianity in the 1st century covers the formative history of Christianity from the start of the ministry of Jesus (c. 27–29 AD) to the death of the...