The Kings of Denmark have played a significant role in the country's history, with a lineage that dates back to the Viking Age. The monarchy has evolved over the centuries, transitioning from absolute rule to a constitutional monarchy in the 19th century. Today, the Danish royal family is known for its ceremonial duties and cultural contributions. The current monarch, Queen Margrethe II, ascended to the throne in 1972, making her the longest-reigning monarch in Danish history. The royal family is involved in various charitable activities and represents Denmark at official events, both domestically and internationally.