Eric XIV of Sweden was a king who ruled from 1560 to 1568. He was the son of Gustav I of Sweden and was known for his ambitious policies and attempts to expand Sweden's influence in the Baltic region. His reign was marked by conflicts with neighboring countries, including Denmark and Russia. Eric XIV's rule ended when he was deposed by his half-brother, John III of Sweden, due to his erratic behavior and mental health issues. After his deposition, he was imprisoned and later died in captivity. His life and reign are often remembered for their dramatic twists and political intrigue.