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Annexation of Hawaii
United States annexed Hawaii in 1898 at the urging of President William McKinley -
Annexation of the Philippines
The Treaty of Paris ended the four-month war between Spain and the United States, and the Philippines became a U.S. territory. At the end of the Spanish-American War in 1898, the United States annexed the Philippine archipelago. -
Explosion of the USS Maine
On an official observation visit, was a climax in pre-war tension between the United States and Spain. In the American press, headlines proclaimed "Spanish Treachery!" and "Destruction of the War Ship Maine Was the Work of an Enemy!" William Randolph Hearst and his New York Journal offered a $50,000 award for the "detection of the Perpetrator of the Maine Outrage." Many Americans assumed the Spanish were responsible for the Maine's destruction. -
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Spanish America War
The Spanish–American War was fought between the United States and Spain in 1898. Hostilities began in the aftermath of the internal explosion of the USS Maine in Havana Harbor in Cuba, leading to U.S. intervention in the Cuban War of Independence -
Teller Amendment
An amendment to a joint resolution of the United States Congress, enacted on April 20, 1898, in reply to President William McKinley's War Message. It placed a condition on the United States military's presence in Cuba -
Battle of San Juan Hill
A decisive battle of the Spanish–American War. The San Juan heights was a north-south running elevation about 2 kilometres (1.2 mi) east of Santiago de Cuba, Cuba. -
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Boxer Rebellion
An anti-foreign, anti-colonial, and anti-Christian uprising that took place in China between 1899 and 1901, toward the end of the Qing dynasty. -
Roosevelt Corollary
The Roosevelt Corollary was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt in his State of the Union address in 1904. -
Opening of the Panamal Canal
The Panama Canal was opened to traffic. Panama later pushed to revoke the Hay-Bunau-Varilla Treaty, and in 1977 U.S. President Jimmy Carter and Panamanian dictator Omar Torrijos signed a treaty to turn over the canal to Panama by the end of the century.