Frederick VII of Denmark was born on October 6, 1808, and became king in 1848. He ruled during a time of significant political change, including the transition from absolute monarchy to constitutional monarchy in Denmark. His reign saw the introduction of the Constitution of 1849, which established a parliamentary system and granted civil liberties to the citizens. Frederick VII was known for his liberal views and support for democratic reforms. He faced challenges, including conflicts with Germany and issues related to the Danish West Indies. He died on November 15, 1863, leaving a legacy of modernization in Danish governance.