1847. The Wisconsin constitutional convention meets. The town of St. Paul surveyed, platted and recorded in the St. Croix county register of deeds' office. First improvement of the water power at falls of St. Anthony. Treaty with the Chippewas at Fond du Lac, August 2d. Treaty with the Pillagers at Leech Lake, August 21st.
1848. May 29th, Wisconsin admitted. August 26th, the "Stillwater Convention" held, to take measures for a separate territorial organization. October 30th, H. H. Sibley elected delegate to Congress.
1850. Great flood on the Mississippi. Minnesota river navigated by steamboats. Census of Minnesota shows population of 4,780.
1851. Permanent location of the capital of Minnesota at St Paul. Treaty of the Traverse des Sioux, opening territory west of the Mississippi to settlement July 23d. Treaty at Mendota with the Sioux August 5th.
1852. President Pierce appoints Willis A. Gorman governor of Minnesota.
1854. Real estate mania commenced. Treaty with the Chippewas at La Pointe, September 30th.
1855. Treaty at Washington, District of Columbia, with the Chippewas, and cession of lands in Minnesota, February 22d.
1857. Enabling act to admit Minnesota passed Congress. President Buchanan appoints Gen. Sam Medary governor of Minnesota. Ink-pa-dootah massacre in April. Minnesota constitutional convention met in June. Constitution adopted in October.
1858. Minnesota admitted as a state. State loan of $250,000 guaranteed. The $5,000,000 loan bill adopted.
1859. Hard times. Work on the land grant road ceases. Collapse of the $5,000,000 scheme. First export of grain this fall.