1893, February 14, the Hawaiian Islands annexed to the United States.
1897, June 14, Venezuela boundary line treaty ratified by Congress.
1898, February 15, United States Battleship "Maine" blown up in Havana Harbor.
1898, April 21, Severance of diplomatic relations between Spain and the United States.
1898, April 27, Matanzas, Cuba, fired upon by American warships.
1898, May 1, Admiral Dewey destroyed the Spanish fleet at Manila.
1898, May 6, United States fleet bombarded Santiago, Cuba.
1898, May 12, Admiral Sampson fired upon San Juan, Porto Rico.
1898, June 3, Hobson sank the Merrimac in the harbor of Santiago, that he might block the channel.