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Diego de Alvear y Ponce de León (1749–1830) was a Spanish military commander and politician. A grandson of the founder of the "Alvear" wine company of Montilla, he was the father of the Argentine politician Carlos María de Alvear, grandfather of another Argentine politician, Torcuato de Alvear, and great-grandfather of Marcelo Torcuato de Alvear, the president of Argentina between 1922 and 1928. He took the name of his grandfather, Diego de Alvear y Escalera, the founder of Alvear. Ponce de León belonged, therefore, to an important family of wine growers in Andalusia.〔 (elmundo.es )〕 ==Political and military career in the colonies== He studied in Jesuit schools, first in Montilla and later at Granada, until the expulsion of the Jesuits in 1767. After entering the Spanish navy as midshipman (1770), he arrived at the Rio de la Plata in 1774 and fought in the "Sacramento War" (also known as "Ceballos Expedition" 1776-1777).〔 (Autores.org )〕 Its name derives from a colonial conflict between Spain and Portugal for control of Colonia del Sacramento〔 (viajeros.com )〕 in what today is Uruguay, where the Spanish forces were commanded by Pedro de Cevallos.〔 (1776 ingenierosdelrey.com )〕 After a favorable resolution to Spanish interests, Charles III created the Viceroyalty of the Río de la Plata and named general Pedro de Cevallos as viceroy. It was on this new viceroyalty where Diego de Alvear y Ponce de León lived for almost thirty years. He continued his ascending military career reaching the rank of general and in 1781 wed María Balbastro, with whom he had nine children.〔 (autores.org )〕 Among the works during this stage in his life, he worked on the delineation of the border between Spanish and Portuguese territories. It was an endeavor started by king Charles III, where political objectives and military ideals where mixed. After the aforementioned colonial conflict, both kingdoms decided to clearly mark the borders of their colonial possessions. Charles III ordered that to accomplish this task, they had to divide the border in five sections to be studied separately. Diego de Alvear received command of the task for one of these sections to be studied, which encompassed the areas around the Paraná and Paraguay rivers. Here he spent 18 years (1782–1800) doing Topography work, botanic studies and preparing reports on the Tupi and Guarani peoples.〔 (cervantesvirtual.com )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Diego de Alvear y Ponce de León」の詳細全文を読む スポンサード リンク
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