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
Former colonies and territories in Canada of Canada by Europeans began in the 10th century, when Norsemen explored and, ultimately unsuccessfully, attempted to settle areas of the northeastern fringes of North America. Early permanent European settlements in what is now Canada included the late 16th and 17th century French colonies of Acadia and Canada (New France), the English colonies of Newfoundland (island) and Rupert's Land, the Scottish colonies of Nova Scotia and Port Royal. France lost nearly all of its colonies in North America in 1763 after the Seven Years' War to the British Empire. Britain's imperial government over a century later then ceded the land