Wilhelmina of the Netherlands

Wilhelmina (Dutch pronunciation: [ʋɪlɦɛlˈminaː] ; Wilhelmina Helena Pauline Maria; 31 August 1880 – 28 November 1962) was Queen of the Netherlands from 1890 until her abdication in 1948. She reigned for nearly 58 years, making her the longest-reigning monarch in Dutch history, as well as the longest-reigning female monarch outside of the United Kingdom.

Source: Wikipedia — Wilhelmina of the Netherlands (CC BY-SA 4.0)