This painting celebrates the freeing of the Swiss town of Constance from its besiegement by Swedish troops under General Horn, who sought to cut off communication between imperial troops and Spanish soldiers at La Valtellina and the Duchy of Milan. Along with The Storming of Rheinfelden (P637) and The Capture of Breisach (P859), this is one of the three paintings at the Hall of Realms that commemo
Bernardo Monanni, Secretary of the Florentine Embassy in Madrid, called this painting The Relief of the Three Cities on the Rhine by the Duke of Feria. He was undoubtedly influenced by the inscription on the lower right corner, which mentions not only Rheinfelden, but also three other neighboring cities: Waldzut, Sechim (Säckingen) and Laufenburg. The duke appears in the foreground, standing