The title "Queen of Portugal" refers to the female monarch who ruled over the Kingdom of Portugal. The most notable queens include Queen Isabel, known for her charitable works, and Queen Maria II, who reigned during the 19th century and played a significant role in the liberal movement. The monarchy in Portugal was officially abolished in 1910, ending centuries of royal rule. During their reigns, queens often influenced politics and culture, serving as regents or advisors. The legacy of the Portuguese monarchy continues to be celebrated in various historical sites and cultural events throughout Portugal, reflecting the nation's rich royal heritage.