Eric of Sweden refers to several historical figures, primarily kings of Sweden. The most notable is Eric the Victorious, who ruled in the late 10th century and is often credited with unifying Sweden. He is remembered for his military successes and efforts to spread Christianity in the region. Another significant figure is Eric XIV, who was king from 1560 to 1568. His reign was marked by conflicts with neighboring countries and internal strife. Eric XIV is also known for his mental health struggles, which ultimately led to his deposition and imprisonment.