The Order of May (in Spanish: Orden de Mayo) is an order of merit and 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. It was founded as the Order of Merit, and 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 of Merit, of Military Merit, of Naval Merit, and of Aeronautical Merit. In 1958, the regulation was further amended and the Collar of (Civil) Merit category (the highest in the order at that time) was abolished, and it is currently only a military honour. Grades The Grades are: Knight () Officer () Commander () Grand Officer () Grand Cross () The grade Collar () was abolished in 1958. Recipients Hugo Biermann George Bolton (banker) Gustaf Bonde (1911–1977) Cristóbal Colón de Carvajal, 17th Duke of Veragua Vern Clark Carl-George Crafoord Robert E. Cushman Jr. Jorge Fernández Maldonado Solari Walter Hallstein James L. Holloway III Rafael Hoyos Rubio Rick Jolly Vilma Socorro Martínez Cruz Melchor Eya Nchama Enrique Olivares Santana Elmo Zumwalt Grand Crosses Cristian Barros Bohuslav Chnoupek Jacques Diouf Felive VI of Spain Tim Fischer Licelott Marte de Barrios See also Argentine Nation to the Valour in Combat Medal List of military decorations References Orders, decorations, and medals of Argentina May, Order of Awards established in 1957 1957 establishments in Argentina