US Imperialism By thop1789486 Period: Jan 1, 1889 to Dec 1, 1911 Timespan Apr 4, 1898 Spanish American War A dispute between Spain & the United States, in result of the Cuban initiative for indepedence. Jul 1, 1898 San Juan Hill Battle of the Spanish American War, Jul 6, 1898 Annexation of Hawaii Backed an unauthorized invasion by the US Marines, under the leadership of John Stevens.
