The Holy Nail of Helena, also known as the True Nail, is a relic believed by some to be one of the nails used in the crucifixion of Jesus Christ. According to legend, Helena, the mother of Constantine the Great, discovered the nail in Jerusalem in the early 4th century during her pilgrimage to the Holy Land.

The story goes that Helena had a dream in which she was told to search for the True Cross on which Jesus was crucified. She traveled to Jerusalem and enlisted the help of locals to find the location of the cross. During the excavation, they discovered three crosses and were unsure which one was the true cross. Helena had a sick woman brought to the site and asked her to touch each cross. The woman was miraculously healed when she touched the third cross, indicating that it was the true cross.
When the cross was being disassembled, the Holy Nail was discovered among the fragments. It was said to have been used to pierce Jesus’ right hand during the crucifixion. Helena had the nail mounted on her son’s helmet, and it was used in battle as a talisman.
The nail has been venerated as a relic by Christians for centuries. It is said to have been taken to Constantinople, where it was enshrined in the Church of the Holy Apostles. After the fall of Constantinople in 1453, the nail was taken to Rome, where it is still venerated in the Basilica di Santa Croce in Gerusalemme. It is displayed every year on Good Friday.
There is some controversy surrounding the authenticity of the Holy Nail. Some experts believe that the relic is a medieval forgery, created during a time when relics were highly valued and sought after. However, many Christians still believe that the Holy Nail is authentic and hold it in high regard as a symbol of their faith.
Regardless of its authenticity, the Holy Nail remains an important relic in the Christian tradition. It is a symbol of the sacrifice that Jesus made for humanity and a reminder of the suffering that he endured on the cross. The nail has inspired countless works of art and literature, and its legend continues to capture the imagination of believers and non-believers alike.