spanish american war By Lauren Overfelt Mar 4, 1896 Mckinley became U.S. president Feb 20, 1897 Yellow Journalism information Hearst said in a newspaper 'You furnish the pictures and I'll furnish the war" Feb 15, 1898 The explosion of the U.S.S. Maine Apr 25, 1898 The U.S. declares war on the Spanish Apr 25, 1898 Theodore Roosevelt sent Commodore Dewey to the Philippines May 1, 1898 Commodore Dewey sinks Spanish fleet Jun 14, 1898 Theodore Roosevelt formed the Rough Riders Jun 20, 1898 The U.S. takes possesion of Guam from Spain Jul 1, 1898 9th and 10th Calvary Jul 17, 1898 The Spanish surrendered Oct 10, 1898 U.S. acquires the Philippines Oct 18, 1898 U.S. takes possesion of the Puerto Rico Dec 10, 1898 The Treaty of Paris was signed