King George IV was the King of the United Kingdom from 1820 until his death in 1830. He was born on August 12, 1762, and was the eldest son of King George III. Before becoming king, he served as Prince Regent from 1811 due to his father's mental illness. George IV was known for his extravagant lifestyle and love of the arts, which led to significant cultural developments during his reign. He was also involved in various political issues, including the ongoing debates over the Reform Act and the Catholic Emancipation, which aimed to grant rights to Catholics in Britain.