1803 मायथायनि लुइसिफना बायनाय समाव आमेरिकाया आरकानसास दैमानि सा ओनसोल आरो रकि हाजोमानि सानजा ओनसोलखौ बायदोंमोन।
The United States bought the area north of the Arkansas River and east of the Rocky Mountains in the Louisiana Purchase of 1803.