Juan Modesto

Modesto wrote a book about his experience during the war in the 5th Regiment, titled Soy del Quinto Regimento (English:I am of the Fifth Regiment), published in Paris in 1969. He died in Prague in 1969.

After the fall of Catalonia to the rebel army, Negrín named Modesto general and head of the Central Army on March 2, 1939.

Juan Guilloto was promoted to lieutenant colonel of the Popular Army and commander of 5th Army Corps, participating in the battles of Belchite, Brunete (July) and Teruel (December 1937 and January 1938). On 26 August 1938, he was promoted to colonel and became head of the Army of the Ebro.

When the Spanish Civil War broke out in July 1936, Juan Guilloto participated in the assault of Cuartel de la Montaña, and the Battle of Guadarrama fought in the Guadarrama Mountain Range. He was one of the leaders of Fifth Regiment, becoming its commander from October 1936 onwards. He fought in Talavera de la Reina, Santa Olalla and Illescas (September 1936), the defense of Madrid and the Second battle of the Corunna Road, as well as in the Battle of Jarama (February 1937).

Juan Guilloto was affiliated with the Communist Party of Spain (PCE) from 1930, and in 1933 he was placed in charge of the Milicias Antifascistas Obreras y Campesinas (MAOC) in Madrid, which constituted a paramilitary force for the Party. He organized the Sindicato de Oficios Varios y el Socorro Rojo, which coordinated relations with the Socorro Rojo Internacional.

Juan Guilloto León, usually referred to as Modesto or Juan Modesto (24 September 1906 – 16 April 1969), was a Republican army officer during the Spanish Civil War.