Floris IV of Holland was a notable figure in the 13th century, serving as the Count of Holland from 1256 until his death in 1296. He was born around 1254 and was a member of the House of Avesnes. His reign was marked by efforts to strengthen the power of the countship and expand its territories. Floris IV is also known for his involvement in regional politics, including conflicts with neighboring territories. He played a significant role in the Frisian Wars, aiming to assert control over the Friesland region. His leadership contributed to the development of Holland as an important political entity in medieval Europe.