Lesson 19 Timeline By Projection_Star |Mansour| 1803 Louisiana Purchase Jefferson successfully secured the purchase of the Louisiana territory from France for a mere $15 million. 1812 The War of 1812 Lasted more than two years. With no victory in sight, peace talks began in Ghent, Belgium, in mid-1814. 1819 U.S. Diplomats persuaded Spain to cede Florida to the U.S. 1821 Russia issued a decree extending its colony south into territory claimed jointly by the U.S. and Great Britian 1845 Texas finally admitted to the Union as a slave state 1846 America gets Oregon territory 1846 Americans captured Mexico City in the Mexican American War 1858 Japan signs a treaty opening trade to the U.S. 1867 Alaska is purchased by the U.S. 1867 The U.S. claimed the uninhabited Midway Islands 1899 U.S. and Germany are a protectorate of the Somoan Islands 1900 Boxer rebellion in China 1923 Monroe Doctrine