Queen Elizabeth II was known as the Queen of the United Kingdom during her reign from February 6, 1952, until her death on September 8, 2022. She was the longest-reigning monarch in British history and became a symbol of continuity and stability through her decades of service. Elizabeth oversaw significant changes in the UK and the Commonwealth, including decolonization and advancements in technology and culture. Following her passing, her son, Charles, became King. Although she is often associated with traditional values, Elizabeth adapted the monarchy to modern societal norms while maintaining a strong public presence.