From the earliest years of the Order of Saint John, its knights took as their ensign the white cross on a red field. This flag became a symbol of dedication and devotion, bringing peace and consolation, as well as inspiring courage and valor amid the din of battle. In time, this cross evolved into the famous Cross of Saint John, later called the Maltese Cross. This cross has remained the insignia of the Order of Saint John these many centuries.

The exact origin of the Cross of Saint John is not known. However, that venerable cross, which dates from antiquity, has been particularly prominent in history since the 12th century.

So distinguished was the Maltese Cross in the defense of Christendom that it became the symbol of Christian militarism. To this day, pictures and other representation of crusading armies, Christian galleys and medieval knights frequently depict them wearing and bearing the Maltese Cross. Many nations of the West have utilized the Maltese Cross, or a derivation or modification of it, in designing their militery medals including.

The Order of Saint John, while defending the Christian Faith and preserving Christendom itself, established a tradition and system of genuine Christian humanitarianism which has inspired mankindto assist the sick, the poor, and the infirm. Due to the renowned charitable and hospital work of the Order of Saint John, its original flag, a plain white cross on a field of red, became the inspiration for the red cross on a field of white which is now the universal symbol of hospitals and the care of the sick and wounded.

For centuries the members of the Sovereign Order of Saint John of Jerusalem have worn over their hearts the Maltese Cross the Cross of Saint John. They wear it within their hearts, as well as outwardly, because they wear it not only as a sign of their membership in the holy Order, but for their dedication to Jesus Christ, Our Saviour.

This beautiful and unique white cross, with four arms and eight points, has special spiritual significance as well as historical importance:

The four arms of the cross represent the four cardinal virtues: Prudence, Temperance, Justice and Fortitude.

The eight points on the cross are reminders of the eight beatitudes, which the members of the Order strive to incorporate into their lives as admonished by Jesus Christ.

The members of the Sovereign Order wear their cross with humility and devotion to Our Lord Jesus Christ.