King Eric III was a monarch of Denmark who reigned from 1286 to 1319. He was part of the House of Estridsen and is known for his efforts to strengthen the Danish crown and improve the kingdom's administration. His reign was marked by conflicts with the nobility and challenges in maintaining control over the territories. During his rule, Eric III faced various external threats, including tensions with Sweden and Norway. He worked to secure alliances and stabilize the region, but his reign also saw internal strife. Ultimately, his efforts laid the groundwork for future developments in Danish governance.