Pueyrredón, Juan Martín de definition of Pueyrredón, Juan Martín de in the Free Online Encyclopedia.

Pueyrredón, Juan Martín de (hwän märtēn` dā pwāĭrādōn`), 1776–1850, Argentine general, supreme director of the United Provinces of La Plata (1816–19). In 1806, when British troops under William Carr Beresford Beresford, William Carr Beresford, Viscount, 1768–1854, British general. He served with distinction in Egypt (1801–3) and participated (1806) in the capture of Cape Colony (later Cape Province , South Africa) from the Dutch.
..... Click the link for more information. invaded the Río de la Plata, he organized a volunteer force, which, after a defeat outside Buenos Aires, united with the army of Liniers Liniers, Jacques de, Span. Santiago de Liniers y de Bremond (säntēä`gō thā lēnēārs` ē
..... Click the link for more information. to recapture the city (Aug. 12). Taking an important part in the revolutionary government, he was governor of Córdoba (1810) and of Charcas (1810–11), commander of the patriot Army of the North (1811–12), and a member of the triumvirate at Buenos Aires (1812). As supreme director, he assisted San Martín San Martín, José de (hōsā` thā sän märtēn`)
..... Click the link for more information. in the Chilean campaign of 1817–18. In 1819 congress promulgated a unitarian constitution, which was rejected by the people. The demand for federalism brought Pueyrredón's resignation. His success in preventing anarchy was transient; the civil war of 1820 followed.