LIST OF WARS: DETAILS
Battle deaths: 20,500 
Nation(s) involved and/or conflict territory [note]
Philippines, United States
This conflict is also known as the Philippine Insurrection. This name was historically the most commonly used in the U.S., but Filipinos and an increasing number of American historians refer to these hostilities as the Philippine-American War, and in 1999 the U.S. Library of Congress reclassified its references to use this term.
ORIGINS OF THE WAR
In December 1898, the U.S. purchased the Philippines from Spain at the Treaty of Paris for the sum of 20 million United States dollars, after the U.S. defeated Spain in the Spanish-American War. The U.S. government made plans to make the Philippines an American colony. However, the Filipinos, fighting for their independence from Spain since 1896, had already declared their independence on June 12. On August 14, 11,000 ground troops were sent to occupy the Philippines. Emilio Aguinaldo, on January 1, 1899, was declared the first President. He later organized a Congress at Malolos, Bulacan to draft a constitution.
Source: Wikipedia, published under the GNU FDL. Retrieved [dat]
SOURCES: FATALITY DATA
Notes on fatalities
 Battle deaths: Correlates of War, Extra-State War Data v4.0. Retrieved 2013-07-31. Matthew White estimates ~200,000 excess deaths.
NOTE ON NATION DATA
NOTE! Nation data for this war may be inconlusive or incomplete. In most cases it reflects which nations were involved with troops in this war, but in some it may instead reflect the contested territory.
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