The Prince was very interested in trains and locomotives, and a locomotive was named after him. Since it was commonly thought the Prince was not very bright, this led to the expression "dummare än tåget" (lit. "more stupid than the train"), an expression still in use in the Swedish language.[2]
^Bille-Hansen, A. C.; Holck, Harald, eds. (1872) [1st pub.:1801]. Statshaandbog for Kongeriget Danmark for Aaret 1872 [State Manual of the Kingdom of Denmark for the Year 1872] (PDF). Kongelig Dansk Hof- og Statskalender (in Danish). Copenhagen: J.H. Schultz A.-S. Universitetsbogtrykkeri. p. 3. Retrieved 3 May 2020 – via da:DIS Danmark.
^Staatshandbücher für das Herzogtums Sachsen-Altenburg (1869), "Herzogliche Sachsen-Ernestinischer Hausorden" p. 21
1Also prince of Norway 2Also prince of Poland and Lithuania 3Lost his title due to an unequal marriage 4Not Swedish prince by birth, but created prince of Sweden