History of the Philippines (1521–1898) History of the Philippines (1521–1898) The history of the Philippines from 1521 to 1898, also known as the Spanish colonial period, a period that spans during the Captaincy General of the Philippines located in the collection of Islands in Southeast Asia that was colonized by Spain known as 'Las Islas Filipinas', under New Spain until Mexican independence which gave Madrid direct control over the area. It was also known as Spanish East Indies to the colonialist. It started with the arrival in 1521 of European explorer Ferdinand Magellan sailing for Spain, which heralded the period when the Philippines was a
Mexican–American War could not be released from its obligations. The US was released from all obligations of Article XI five years later by Article II of the Gadsden Purchase of 1853. The 1848 Treaty of Guadalupe Hidalgo ended the war and enforced the Mexican Cession of the northern territories of Alta California and Santa Fe de Nuevo México to the United States. Mexico acknowledged the loss of what became the State of Texas and accepted the Rio Grande as its northern border with the U.S. The losses amounted to one-third of its original territory from its 1821 independence. Before the secession of