Queen Margrethe II of Denmark is the reigning monarch of the Kingdom of Denmark. She is the first female monarch of Denmark since the 14th century and has been on the throne since 1972. She is the daughter of King Frederick IX and Queen Ingrid of Denmark. She is
From Wikipedia
Margrethe II is a member of the Danish royal family who reigned as Queen of Denmark from 14 January 1972 until her abdication on 14 January 2024. Having reigned for exactly 52 years, she is the second-longest-reigning Danish monarch after Christian IV.