Early Christianity, otherwise called the Early Church or Paleo-Christianity, describes the historical era of the Christian religion up to the First Council...

teachings as preserved in the early Christian tradition, with the Old Testament as the gospels' respected background. Christianity began in the 1st century...

Historiography of early Christianity is the study of historical writings about early Christianity, which is the period before the First Council of Nicaea...

and syncretic range of religious thought and practice within Early Christianity and early Rabbinic Judaism (both of which were far less orthodox and theologically...

councils. By the Early Middle Ages, Eastern and Western Christianity had already begun to diverge, while missionary activities spread Christianity across Europe...

Jewish Christianity is the foundation of Early Christianity, which later developed into Catholic, Eastern Orthodox, and Oriental Orthodox Christianity. Christianity...

The circumcision controversy in early Christianity played an important role in Christian theology. The circumcision of Jesus is celebrated as a feast day...

Papacy in early Christianity was the period in papal history between 30 AD, when according to Catholic doctrine, Saint Peter effectively assumed his pastoral...

Baptism has been part of Christianity from the start, as shown by the many mentions in the Acts of the Apostles and the Pauline epistles. Although the...

Celtic Christianity is a form of Christianity that was common, or held to be common, across the Celtic-speaking world during the Early Middle Ages. Some...

 100) and is thus also known as the Apostolic Age.[citation needed] Early Christianity developed out of the eschatological ministry of Jesus. Subsequent...

Gnostic theologians. Nonetheless, early Gnostic teachers such as Valentinus saw their beliefs as aligned with Christianity. In the Gnostic Christian tradition...

since the early medieval period, all of which have been considered heresies. Religious historians and scholars often define Nicene Christianity as being...

written about male homosexual activities since the first decades of Christianity; female homosexual behavior was almost entirely ignored. Throughout the...

Chalcedonian Christianity is a term referring to the branches of Christianity that accept and uphold theological resolutions of the Council of Chalcedon...

important languages of Early Christianity. It became a vessel for the development of a distinctive Syriac form of Christianity which flourished throughout...

Christianity began as a Second Temple Judaic sect in the 1st century in the Roman province of Judea, from where it spread throughout and beyond the Roman...

Heresy in Christianity denotes the formal denial or doubt of a core doctrine of the Christian faith as defined by one or more of the Christian churches...

in Early Christianity is a description of anti-Judaic sentiment in the first three centuries of Christianity; the 1st, 2nd, and 3rd centuries. Early Christianity...

proclaimed one God and the divinity of Jesus. Although some early sects of Christianity, such as the Jewish-Christian Ebionites, protested against the...

The purpose of this timeline is to give a detailed account of Christianity from the beginning of the current era (AD) to the present. Question marks ('...

As of the year 2023, Christianity had approximately 2.4 billion adherents and is the largest religion by population. According to a PEW estimation in 2020...

Western Christianity is one of two subdivisions of Christianity (Eastern Christianity being the other). Western Christianity is composed of the Latin Church...

This is a glossary of terms used in Christianity. Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z See also References Advent – a season observed...

Charismatic Christianity is a form of Christianity that emphasizes the work of the Holy Spirit and spiritual gifts as an everyday part of a believer's...

who is nonetheless called God. This interpretation is found in Christianity as early as Justin Martyr and Melito of Sardis, and reflects ideas that were...

Christianity and abortion has a long and complex history. There is scholarly disagreement on how early Christians felt about abortion. Some scholars have...

Non-denominational Christianity (or nondenominational Christianity) consists of churches, and individual Christians, which typically distance themselves...

Eastern Christianity comprises Christian traditions and church families that originally developed during classical and late antiquity in the Eastern Mediterranean...

to Sunday: a study in early Christianity (1933) Kraft, Robert A. (1965). "Some Notes on Sabbath Observance in Early Christianity". Andrews University Seminary...