Erna is from the Old Norse *Erna* — feminine of *Erni*, meaning "vigorous, brisk" — also linked to the Germanic ern (eagle). **Erna Solberg (born 1961)** — **Norwegian politician; Prime Minister of Norway 2013-2021 — the second woman ever to hold the position (after Gro Harlem Brundtland) and the longest-serving conservative Norwegian PM in modern history**. **Leader of the Conservative Party (Høyre) since 2004**. **Co-Chair of the UN Sustainable Development Goals Advocates 2016-2024 — championing global education for girls, particularly in conflict zones**. **Honorary Doctor of the University of Tromsø (2020); Grand Cross of the Order of Saint Olav (Norway's highest order)**. **Has been open about her dyslexia diagnosis from childhood — credited with making her a global advocate for learning-disability accommodations**. **Erna Schneider Hoover (born 1926)** — American mathematician and Bell Labs computer-systems pioneer; invented the principle of computerized telephone switching that became the foundation of modern phone networks.
Featured throughout 2010s-2020s Scandinavian politics.
Erna reduces to three — the number of Norwegian PM.