US in Asia-Pacific By facebooker_562751206 Period: Jan 1, 1800 to Jan 1, 1950 Major period of action Jan 1, 1820 US Missionaries in Hawaii Aug 1, 1823 Manifest Destiny Jan 1, 1853 Commodore Perry "opens up" Japan Mar 31, 1854 Treaty of Kanagawa Jan 1, 1894 Dole proclaims Republic of Hawaii Jan 1, 1898 Portion up Samoa islands Jan 1, 1898 Spanish-American War (gain Philippines) Feb 21, 1898 Hawaii becomes American colony Jul 29, 1899 Open Door Policy Jan 1, 1900 Boxer Rebellion in China Jan 1, 1904 Russo-Japanese War starts Jan 1, 1908 Gentleman's Agreement between Japan and US Sep 1, 1939 Start WWII Aug 15, 1945 End of WWII - Start Cold War Jan 1, 1946 Philipines gain independence