Ramón Antonio Castillo Barrionuevo (20 November 1873 – 12 October 1944) was President of Argentina from 1942 to 1943. He took office after the resignation of President Roberto María Ortiz, under whom he was the Vice President. He was a leading figure in the period known as the Infamous Decade, characterised by electoral fraud, corruption and rule by conservative landowners heading the alliance known as the Concordancia. Wikipedia
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