King Eric IV was a monarch of Denmark who reigned from 1250 to 1251. He was the son of King Eric III and became king after his father's abdication. His reign was short-lived, lasting only about a year, and he faced challenges from rival factions within the kingdom. During his brief rule, King Eric IV struggled to maintain control and stability in Denmark. His reign ended when he was deposed, leading to the ascension of King Abel, his half-brother. Despite his short time on the throne, King Eric IV is remembered as part of the complex history of Danish royalty.