The Battle of Cancha Rayada was fought on March 16, 1818, between Spain and Chilean rebels. The Chileans were led by Jose de San Martin. The Spanish were victorious. The Chilean War of Independence, lasting from 1810 to 1818, and achieving the independence of Chile from Spain, was part of San Martins War in South America. ... March 16 is the 75th day of the year in the Gregorian Calendar (76th in Leap years). ... 1818 is a common year starting on Thursday. ... Casus belli is a Latin expression from the international law theory of Jus ad bellum. ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... José de San Martín José Francisco de San Martín (25 February 1778 – 17 August 1850) was an Argentine general and the prime leader of the successful struggle for independence from Spain of the southern nations of South America. ... The Battle of Chacabuco took place on February 12, 1817 near Santiago, Chile and was fought between South American patriots and Spanish royalists during the Latin American wars of independence. ... The Battle of Maipú was a battle fought near Santiago, Chile on April 5, 1818 between South American rebels and Spanish royalists, during the South American wars of independence. ... March 16 is the 75th day of the year in the Gregorian Calendar (76th in Leap years). ... 1818 is a common year starting on Thursday. ... José de San Martín (25 February 1778 - 17 August 1850) was an Argentine general and the prime leader of the southern part of South Americas successful struggle for independence from Spain. ...