Saint Sava was a prominent Serbian monk and the first Archbishop of the Serbian Orthodox Church. Born in 1175, he was the son of Stefan Nemanja, the founder of the Serbian state. Sava played a crucial role in establishing the church's independence and promoting education and literacy among the Serbian people. He is also known for his efforts in unifying the Serbian people and spreading Christianity throughout the region. Saint Sava is celebrated on January 27th, and his legacy continues to influence Serbian culture and religious practices today. His life and work are commemorated in various churches and institutions across Serbia.