^この地域は1819年7月4日にTerritory of Arkansawとして編入されたが、1836年6月15日にはArkansas州として合衆国編入を承認された。この名前は歴史的に、IPA: /ˈɑrkənsɔː/, /ærˈkæn.zəs/と発音され、他にもいくつかの変形があった
参照
"Act of March 2, 1819, ch. 49". Statutes at Large. Acts of the Fifteenth Congress of the United States, 2nd Session. pg. 493-496. From Library of Congress, A Century of Lawmaking for a New Nation: U.S. Congressional Documents and Debates, 1774-1875. (accessed 2007-06-16). This act of Congress established the territory of "Arkansaw".
"Act of April 21, 1820, ch. 48". Statutes at Large. Acts of the Sixteenth Congress of the United States, 1st Session. pg. 565. From Library of Congress, A Century of Lawmaking for a New Nation: U.S. Congressional Documents and Debates, 1774-1875. (accessed 2007-06-16). This act of Congress modifies the act of March 2, 1819, and refers to the territory of "Arkansas". Thereafter, federal statutes describe it as the territory of Arkansas, although journals of both the House and Senate both continue to occasionally use "Arkansaw".