peter
Paul was not crucified upside down, he was beheaded. Peter was the apostle that was, as he said he did not deserve the same death as Jesus.
Peter is a martyr, because he was crucified upside down by the Romans until he died. He was crucified upside down, because he did not consider himself to be worthy to be crucified right side up as Jesus was, so Peter asked to be crucified upside down after he was sentenced to death on the cross.
Saint Peter, one of the twelve apostles of Jesus, is traditionally believed to have been crucified upside down at his own request, as he felt unworthy to be crucified in the same manner as Jesus. This event is not explicitly mentioned in the Bible but is recorded in early Christian writings and traditions.
According to tradition, Saint Paul requested to be crucified upside down because he believed he was not worthy to die in the same manner as Jesus. This act was seen as a gesture of humility and devotion to his faith.
According to tradition, the Apostle Peter was crucified upside down in Rome. He is supposed to have requested this when he was sentenced to crucifixion because he did not feel worthy to suffer death the same way as Christ.
Peter was crucified upside down because he did not feel he was worthy of dying in the same manner as Our Lord.
Peter was crucified upside down between 64 and 67 AD.
One of Jesus' disciples named Simon Peter was Crucified upside down. The reason he was upside down is that he did not count himself worthy to be crucified in the same way as Jesus.
The upside down cross is the Petrine Cross (The Cross of Saint Peter). The Catholic tradition states that Peter wanted to be crucified upside down because he did not believe that he was worthy of being crucified in the manner that Jesus Christ was crucified. Therefore, an upside down cross is the Cross of Saint Peter. However, the upside down crucifix (a cross with the body of Jesus Christ on it) has been attached to satanic things. Not sure about history on that one.
There is no evidence about how Peter died. According to legend, he was crucified by Nero. He requested to be crucified upside down because he did not deserve to be crucified in the same manner as the Christ. If he was crucified, it would seem reasonable that nails were used.
He requested that he be crucified upside down since he wasn't worthy of dying the same way of Christ had died.
Peter was crucified in Rome , he wanted it to be him upside down.