On December 7, the feast day of Saint Ambrose, Bishop of Milan, is commemorated in the church. Born in 339 in Trier, Germany, Ambrose was an influential bishop known for his strong theological contributions and pastoral work. He played a crucial role in the early church and is recognized for his opposition to Arianism and his support for the Orthodox faith. His legacy includes guiding figures like Augustine of Hippo, whom he converted to Christianity. Ambrose passed away on April 4, 397, and his memory is honored by both the Orthodox and Catholic churches.