During the Philippine Revolution, the Malolos Congress proclaimed the establishment of the '''' or the ''Philippine Republic''. From the period of the Spanish–American War (1898) and the Philippine–American War (1899–1902) until the Commonwealth period (1935–1946), American colonial authorities referred to the country as ''The Philippine Islands'', a translation of the Spanish name. The United States began the process of changing the reference to the country from ''The Philippine Islands'' to ''The Philippines'', specifically when it was mentioned in the Philippine Autonomy Act or the Jones Law. The full official title, ''Republic of the Philippines'', was included in the 1935 constitution as the name of the future independent state, it is also mentioned in all succeeding constitutional revisions.