Back Vertrag von Saint-Omer German Traité de Saint-Omer French Saint-omeri szerződés Hungarian Сент-Омерский договор Russian
In the Treaty of Saint-Omer, Archduke Sigismund of Habsburg mortgaged the County of Ferrette along with the Landgraviate of Upper Alsace to Duke Charles the Bold, in Saint-Omer (Pas-de-Calais) on 9 May 1469. The treaty laid the foundation for the Burgundian Wars.