Frederik VII of Denmark was born on October 6, 1808, and became king in 1848. He is known for his role in the transition of Denmark from an absolute monarchy to a constitutional monarchy, which allowed for a more democratic government. His reign lasted until his death on November 15, 1863. Frederik VII was also notable for his personal life, including his marriages. He married twice, first to Marie Sophie of Denmark and later to Louise of Denmark. His reign was marked by significant political changes and social reforms that shaped modern Denmark.