History of the United States (1789–1849) History of the United States (1849–1865) Timeline of the American Old West; Further reading 1820s. John S. Galbraith. "British-American Competition in the Border Fur Trade of the 1820s". Minnesota History, Vol. 36, No. 7 (Sep., 1959), pp. 241–249.

Presidency of George Washington. 1790 – Rhode Island ratifies the Constitution and becomes 13th state 1791 – The Bill of Rights, comprising the first ten amendments to the Constitution, is adopted.; 1791 – First Bank of the United States chartered 1791 – Vermont becomes the 14th state (formerly the independent Vermont Republic) 1792 – Kentucky becomes the 15th state …