The document provides a timeline of key events in the history of the Philippines from 1898 to 1946, during the periods of American colonization, the Philippine-American War, and the transition to independence. It outlines the Spanish-American War in 1898, the declaration of Philippine independence that same year, the Philippine-American War from 1899 to 1913, the establishment of the Philippines as a US territory, and the transition to a self-governing Commonwealth in 1935 in preparation for full independence by 1946. Major events included the establishment of civil and legislative governments, debates around independence laws, and the drafting and ratification of the Philippine Constitution.