Saint Linus is recognized as the second pope of the Roman Catholic Church, succeeding Saint Peter. He is believed to have served as pope from around 67 AD to 76 AD. Linus is often associated with the early Christian community in Rome and is mentioned in the writings of Saint Irenaeus and Eusebius. Traditionally, Saint Linus is credited with establishing certain church practices and is said to have been martyred for his faith. His feast day is celebrated on September 23, and he is often depicted in art with a palm branch, symbolizing his martyrdom and dedication to Christianity.