Order of May

The Order of May is one of the highest decorations in Argentina. The order is named after the May Revolution which led to the birth of the Republic of Argentina. Originally founded as the Order of Merit, it was revised to its current form on 17 December 1957.

History
The Order of May was created as an Order of Merit by Decree No. 8506/46, 1946. In 1957 the rules of the order were modified and the Order of Merit was renamed the Order of May by Decree No. 16,629. The order was further divided into the categories Merit, Military Merit, Merit Naval and Aeronautical Merit.

In 1958 the regulation was further amended and the Necklace of Merit grade class was abolished.

Grades
The Grades are:
 * Knight (Caballero)
 * Officer (Oficial)
 * Commander (Comendador)
 * Grand Officer (Gran Oficial)
 * Grand Cross (Gran Cruz)
 * Collar (Collar)