Saint Apollinaris was a Christian martyr and the first bishop of Ravenna, Italy. He is believed to have lived during the 1st century AD and is often associated with the early spread of Christianity in the region. His feast day is celebrated on July 20, and he is recognized for his dedication to preaching the Gospel and his unwavering faith. According to tradition, Saint Apollinaris faced persecution for his beliefs and ultimately died as a martyr. He is often depicted in art with symbols of his martyrdom, such as a palm branch. His legacy continues to inspire many within the Christian community.