Division XXIII di Marzo

The Agrupación XXIII de Marzo was upgraded to Division status as the Division XXIII di Marzo prior to the Battle of Santander. It was one of the Italian Blackshirts units sent to Spain during the Spanish Civil War to make up the "Corpo Truppe Volontarie" (Corps of Volunteer Troops), or CTV.

Battle of Santander August 1937
Division XXIII di Marzo
 * 4th Infantry Regiment
 * Battalion Bufalo
 * Battalion Vampa
 * Battalion Toro
 * 5th Battery 65/17
 * 4th Mortar platoon
 * 5th Infantry Regiment
 * 540th Battalion Lupi
 * Battalion Ardente
 * Battalion Inesorabile
 * 6th Battery 65/17
 * 5th Mortar platoon
 * Division Artillery
 * Grupo de 65/17 (motorized)
 * Mixed Engineer Company
 * Logistics Section
 * Carabinieri Section
 * Mixed Motor Transport Company

Source

 * de Mesa, José Luis, El regreso de las legiones: (la ayuda militar italiana a la España nacional, 1936-1939), García Hispán, Granada:España, 1994 ISBN 84-87690-33-5