History of slavery in Louisiana History of slavery in Louisiana Following Robert Cavelier de La Salle establishing the French claim to the territory and the introduction of the name "Louisiana", the first settlements in the southernmost portion of Louisiana (New France) were developed at present-day Biloxi (1699), Mobile (1702), Natchitoches (1714), and New Orleans (1718). Slavery was then established by European colonists. The institution was maintained by the Spanish (1763–1800) when the area was part of New Spain, by the French when they briefly reacquired the colony (1800-03), and by the United States following the Louisiana Purchase of 1803. Due to its complex history, Louisiana
Enlightenment in Spain Menorca and Trinidad were occupied. In 1800, the Spanish returned Louisiana to France, which had been given to them in compensation for their losses at the end of the Seven Years' War. The Portuguese, who opposed the French, continued to trade with the British in spite of a series of French demands that they close their ports to British ships. In 1801, the Spanish delivered an ultimatum on behalf of France, and in the following border war, occupied the town of Olivenza (Olivença) before the Portuguese agreed to the Spanish and French demands. The town – which is disputed to