Iowa's Pathway to Statehood


Year Date Description
Hernando de Soto discovered the Mississippi River near the site of the present City of Memphis, Tennessee. This discovery formed the basis of the Spanish claim to the interior of North America.
The Plymouth Company received a charter from the English Government to a large tract of land including the present State of Iowa.
1670 May 02 The Hudson's Bay Company chartered by the English Government. This was the first of the great companies formed for the purpose of trading with the North American Indians.
1673 Jun 17 Marquette and Joliet, the French explorers, discovered the Mississippi River at the mouth of the Wisconsin and saw the bluffs near the present City of McGregor, Iowa.
1682 Apr 09 Robert Cavelier, Sieur de La Salle, claimed all the territory drained by the Mississippi and its tributaries for France and gave the region the name of Louisiana. Iowa was included in this claim.
1762 Nov 03 The Treaty of Fontainebleau, by which France ceded all that part of Louisiana west of the Mississippi to Spain. Iowa thus became a Spanish possession.
1763 Feb 10 The Treaty of Fontainebleau ratified and confirmed by the Treaty of Paris.
1783 Sep 03 Conclusion of the treaty that ended the Revolutionary war and fixed the western boundary of the United States at the Mississippi River.
The first white settlement in the present State of Iowa made by Julien Dubuque on the site of the city that bears his name.
1800 Oct 01 Treaty of San Ildefonso concluded, by which Spain ceded back to France that portion of Louisiana west of the Mississippi River.
1803 Apr 30 Conclusion of the Treaty of Paris, by which the United States purchased Louisiana. Iowa by this treaty became the property of the United States Government.
1803 Oct 31 Congress passed an act authorizing the President to take possession of Louisiana and establish a temporary government therein.
1803 Dec 20 The United States commissioners take formal possession of Louisiana at New Orleans.
1804 Oct 01 Louisiana divided into the Territory of Orleans and the District of Louisiana. Iowa was included in the latter, which was placed under the jurisdiction of the Indiana Territory.
1804 Nov 04 First treaty with the Sac and Fox Indians negotiated at St. Louis by Gen. William H. Harrison.
1805 Jan 11 The Territory of Michigan established by act of Congress.
1805 Aug 09 Lieut. Zebulon M. Pike left St. Louis to explore the upper Mississippi River. On the 21st of the same month he held a council with some Iowa Indians at the head of the rapids of the Mississippi, in what is now Lee County.
Iowa attached to the Territory of Illinois by act of Congress.
1812 Jun 04 The Territory of Missouri was created and Iowa attached to the new territory.
1815 Sep 13 Treaty of peace with the Sac and Fox Indians of Iowa concluded at Portage des Sioux.
1821 Mar Missouri admitted into the Union as a state and Iowa left without any form of civil government.
A trader named Harte established a post where the City of Council Bluffs now stands.
1830 Jul 15 Treaty of Prairie du Chien establishing the "Neutral Ground" between the Sioux on the north and the Sac and Fox tribes on the south. At the same time the territory now comprising Emmet and Dickinson counties was ceded to the United States.
1831 Feb 24 The above treaty declared in effect by proclamation of President Jackson.
1832 Aug 02 Last battle of the Black Hawk war, in which the Indians were defeated.
1832 Sep 21 A treaty concluded at Davenport, Iowa, by which the Sacs and Foxes ceded to the United States the strip of land forty miles wide across the eastern part of the state. This strip, known as the "Black Hawk Purchase," was the first land in Iowa acquired by the Government for white occupation.
1833 Jun The first postoffice in Iowa was established at Dubuque.
1834 Jun 28 President Jackson approved the act attaching Iowa to the Territory of Michigan.
1834 Sep The Michigan Legislature divided the present State of Iowa into two counties—Dubuque and Des Moines. Emmet and Dickinson were included in the County of Dubuque.
1836 Apr 20  President Jackson approved the bill creating the, Territory of Wisconsin, which included all the present State of Iowa, the act to take effect July 4, 1836.
1836 May 11 The Dubuque Visitor, the first newspaper in Iowa, established by John King.
1836 May First census in Iowa taken by order of Governor Dodge of Wisconsin. Population, 10,351.
1836 Oct 03  First election ever held in Iowa, for members of the Wisconsin Territorial Legislature.
1837 Nov 06 A convention at Burlington adopted a memorial to Congress asking for the establishment of a new territory west of the Mississippi.
1838 Apr 07  J. N. Nicollet appointed by President Van Buren to make a hydrographic survey of the upper Mississippi basin. Nicollet visited the region about Spirit and Okamanpadu lakes.
1838 Jun 12 President Van Buren approved the act of Congress creating the Territory of Iowa.
1838 Oct 03 Death of Black Hawk, the great chief of the Sacs and Foxes.
1843 May 09 Capt. James Allen came up the Des Moines River on the Steamer lone with a detachment of troops and established Fort Des Moines, where the capital of the state now stands.
1844 Oct 07 Iowa's first constitutional convention met at Iowa City. That constitution was rejected by the people.
1846 May 04 Second constitutional convention assembled at Iowa City. The second constitution ratified by the voters on August 3, 1846.
1846 Dec 28 President Polk approved the act of Congress admitting Iowa into the Union as a state.
1850 Sep 28 Congress passed the act giving to the several states certain swamplands within their borders.
1851 Jan 15 Gov. Stephen Hempstead approved an act of the Iowa Legislature creating fifty new counties, among which were Emmet and Dickinson.
1851 Aug 05 Treaty of Mendota, by which the Mdewakanton Sioux relinquished their claims to lands in Iowa.

Transcribed from "The History of Emmet County Iowa and Dickinson Counties Iowa 1917" by Cathy Danielson

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