Established on 3 August 1864 by Queen
Isabella II as the
Order of Military Merit (), it has been amended many times (in 1918, 1926, 1931, 1938, 1942, 1976, 1995, 2003 and 2007). During the
Spanish Civil War it was recognized by both sides of the conflict. Awarded originally in four classes, in 1995 it lost the rank of an order of merit, and the classes were reduced to two and the number of categories extended to four. According to the current regulations the decoration is conferred in the following classes: •
Grand Cross – to generals, admirals or civilian personnel of equivalent rank; •
Cross – to other officers, warrant officers, enlisted ranks or equivalent civilian personnel. The categories are as follows: •
with Red Decoration (
con distintivo rojo) – for courage, actions, deeds or service during an armed conflict or military operations that involve or may involve the use of armed force and may require significant military or command skills; since 2007 it can be awarded to for acts of gallantry while on an overseas mission and to soldiers fallen during such a mission; •
with Blue Decoration (
con distintivo azul) – for actions, events or extraordinary services including operations resulting from a mandate of the United Nations or of other international organizations; •
with Yellow Decoration (
con distintivo amarillo) – for actions, deeds or service that involve high personal risk and in cases of serious injury or death resulting from such actions or service; •
with White Decoration (
con distintivo blanco) – for actions, deeds or distinguished service during missions or ordinary or extraordinary service in the armed forces or in connection with defense of the country. Multiple awards of each class and each category to the same individual are possible.
Original four classes • 4th Class (Grand Cross) for officers who already hold the 3rd Class • 3rd Class (Grand Officer) for brigade commanders, lieutenant generals, and
captain generals • 2nd Class (Commander) for staff officers (majors, lieutenant colonels and colonels) • 1st Class (Knight) for cadets, lieutenants, and captains == Insignia and ribbons ==