20 Euros SABENA

SABENA — Société Anonyme Belge d'Exploitation de la Navigation Aérienne — operated from 1923 until its collapse in November 2001, making it one of the longest-running and then most abruptly terminated national carriers in European aviation history. The airline's bankruptcy, triggered partly by the fallout from September 11 and the failure of its parent Swissair group, left roughly 12,000 employees without work within days. The 2023 issue marks the centenary of the founding flight.