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
France in the long nineteenth century of Europe. Frequent parliamentary transitions took place, but the losers were not executed or exiled. France regained its place among the respected major powers, and its voice was heard in international diplomacy. There was a new sense of humanitarianism, and popular piety. France began, on a small scale, to rebuild the overseas empire it had lost in 1763. Charles X was overthrown in an uprising in the streets of Paris, known as the 1830 July Revolution (or, in French, "Les trois Glorieuses" - The three Glorious days - of 27, 28 and July 29). Charles was forced to flee and