In hoc signo vinces
Overview
According to legend, Constantine I
Constantine I
Constantine the Great , also known as Constantine I or Saint Constantine, was Roman Emperor from 306 to 337. Well known for being the first Roman emperor to convert to Christianity, Constantine and co-Emperor Licinius issued the Edict of Milan in 313, which proclaimed religious tolerance of all...
adopted this Greek phrase, "εν τούτῳ νίκα", (in this, win) as a motto
Motto
A motto is a phrase meant to formally summarize the general motivation or intention of a social group or organization. A motto may be in any language, but Latin is the most used. The local language is usual in the mottoes of governments...
after his vision of a chi rho
Chi Rho
The Chi Rho is one of the earliest forms of christogram, and is used by Christians. It is formed by superimposing the first two letters chi and rho of the Greek word "ΧΡΙΣΤΟΣ" =Christ in such a way to produce the monogram ☧...
on the sky just before the Battle of Milvian Bridge
Battle of Milvian Bridge
The Battle of the Milvian Bridge took place between the Roman Emperors Constantine I and Maxentius on 28 October 312. It takes its name from the Milvian Bridge, an important route over the Tiber. Constantine won the battle and started on the path that led him to end the Tetrarchy and become the...
against Maxentius
Maxentius
Maxentius was a Roman Emperor from 306 to 312. He was the son of former Emperor Maximian, and the son-in-law of Emperor Galerius.-Birth and early life:Maxentius' exact date of birth is unknown; it was probably around 278...
on 28 October 312. The early Christian symbol consists of a monogram
Monogram
A monogram is a motif made by overlapping or combining two or more letters or other graphemes to form one symbol. Monograms are often made by combining the initials of an individual or a company, used as recognizable symbols or logos. A series of uncombined initials is properly referred to as a...
composed of the Greek letters chi (X) and rho (P), the first two letters in the name Christ (Greek: Χριστός).
