The Military Merit Order (Militärverdienstorden) was a military order of the Kingdom of Württemberg, which joined the German Empire in 1871. The order was one of the older military orders of the states of the German Empire. It was founded on February 11, 1759 by Karl Eugen, Duke of Württemberg as the Militär-Carls-Orden, and was renamed the Militärverdienstorden on November 11, 1806 by King Friedrich I. The order underwent several more revisions over the course of the 19th and early 20th centuries.