Colonial history of the United States Lower Louisiana. This vast tract was first settled at Mobile and Biloxi around 1700, and continued to grow when 7,000 French immigrants founded New Orleans in 1718. Settlement proceeded very slowly; New Orleans became an important port as the gateway to the Mississippi River, but there was little other economic development because the city lacked a prosperous hinterland. In 1763, Louisiana was ceded to Spain around New Orleans and west of the Mississippi River. In the 1780s, the western border of the newly independent United States stretched to the Mississippi River. The United States reached an agreement with Spain for
French people in Nebraska French people in Nebraska French people have been present in the U.S. state of Nebraska since before it achieved statehood in 1867. The area was originally claimed by France in 1682 as part of "La Louisiane", the extent of which was largely defined by the watershed of the Mississippi River and its tributaries. Over the following centuries, explorers of French ethnicity, many of them French-Canadian, trapped, hunted, and established settlements and trading posts across much of the northern Great Plains including the territory that would eventually become Nebraska, even in the period after France formally ceded its North American claims