Pope Nicholas IV, born Girolamo Masci in 1227, served as the head of the Roman Catholic Church from 1288 until his death in 1292. He was the first pope from the Franciscan order and is known for his efforts to promote peace in Europe during a time of political turmoil. Nicholas IV also worked to strengthen the papacy's influence and improve relations with the Eastern Orthodox Church. During his papacy, Nicholas IV initiated the construction of the Sistine Chapel and supported various educational institutions. He was a patron of the arts and encouraged the development of Franciscan missions. His reign was marked by a commitment to reform and the promotion of religious unity.