what are the symbols associated with the first religion?
The cross
Symbols
The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times. Tertullian, in his book "De Corona", tells how it was already a tradition for Christians to trace the sign of the cross on their foreheads. Although the cross was known to the early Christians, the crucifix did not appear in use until the 5th century.

Among the earliest Christian symbols, that of the fish or Ichthys seems to have ranked first in importance, as seen on monumental sources such as tombs from the first decades of the 2nd century. Its popularity seemingly arose from the Greek word "ichthys" (fish) forming an acronym for the Greek phrase "Iesous Christos Theou Yios Soter" (Ἰησοῦς Χριστός, Θεοῦ Υἱός, Σωτήρ), (Jesus Christ, Son of God, Savior), a concise summary of Christian faith.
what was ss christopher columbus? An American excursion liner on the Great Lakes where is this lake situated? The upper mid-east region of North America which religions are practiced in that continent? Christianity, Atheism,  Buddhism
The cross and the crucifix. The cross,  Ichthys, etc. The cross
Christianity Christianity Christianity
Symbols Symbols Symbols
The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times. Tertullian, in his book "De Corona", tells how it was already a tradition for Christians to trace the sign of the cross on their foreheads. Although the cross was known to the early Christians, the crucifix did not appear in use until the 5th century.
 The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times.  The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times. Tertullian, in his book "De Corona", tells how it was already a tradition for Christians to trace the sign of the cross on their foreheads. Although the cross was known to the early Christians, the crucifix did not appear in use until the 5th century.
wiki:1560373
Christianity [SEP] Symbols
Christianity has not generally practiced aniconism, the avoidance or prohibition of devotional images, even if early Jewish Christians and some modern denominations, invoking the Decalogue's prohibition of idolatry, avoided figures in their symbols. The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times. Tertullian, in his book "De Corona", tells how it was already a tradition for Christians to trace the sign of the cross on their foreheads. Although the cross was known to the early Christians, the crucifix did not appear in use until the 5th century. Among the earliest Christian symbols, that of the fish or Ichthys seems to have ranked first in importance, as seen on monumental sources such as tombs from the first decades of the 2nd century.