Complex sentence: Mannerism is a style in European art that emerged in the later years of the Italian High Renaissance around 1520, lasting until about 1580 in Italy, when the Baroque style began to replace it, but Northern Mannerism continuing into the early 17th century.
Split into simpler sentences: Mannerism is a period of European art that emerged from the later years of the Italian High Renaissance around 1520. It lasted until about 1580 in Italy, when the Baroque style began to replace it, but Northern Mannerism continued into the early 17th century.