Adolf Frederick was the King of Sweden from 1751 until his death in 1771. He was born on May 14, 1710, in {Schleswig}, which is now part of {Germany}. His reign is noted for its focus on economic development and the strengthening of the Swedish monarchy. Frederick was married to {Louisa Ulrika of Prussia}, and they had several children. His rule ended when he died from a fatal meal of porridge, which is often cited in history as a peculiar event. After his death, his son, {Gustav III}, ascended to the throne.