Count Floris IV of Holland was a nobleman who ruled from 1256 until his death in 1296. He was a member of the House of Avesnes and played a significant role in the political landscape of the County of Holland. His reign was marked by efforts to strengthen the power of the nobility and expand the territory of his domain. Floris IV is known for his involvement in various conflicts, including disputes with neighboring regions and the Duchy of Brabant. He also worked to improve trade and commerce in Holland, contributing to the economic development of the area during the late 13th century.