America Claims an Empire By guerragilbert 1864 The Annexation of Hawaii was only one of the goals of America's empire builders in the late 19th century 1867 The U.S. acquires Alaska and Hawaii 1870 Americans always sought to expand the size of their nation 1890 Guglielmo Marconi develops the technology that led to modern radio 1893 U.S. marines over throw Hawaii's Queen Liliuokalani 1898 U.S.S. Maine explodes and sink. The Spanish American War begins 1901 Theodore Roosevelt becomes president after McKinley is assassinated 1903 Panama declares its independence from Columbia 1908 William Taft is elected president 1910 The Mexican Revolution begins