New France
In 1763, France had ceded the rest of New France, except the islands of Saint Pierre and Miquelon, to Great Britain and Spain at the Treaty of Paris, which ended the Seven Years' War (known as the French and Indian War in North America and especially the United States). Britain received Canada, Acadia, and the parts of French Louisiana which lay east of the Mississippi Riverexcept for the Île d'Orléans, which was granted to Spain, along with the territory to the westthe larger portion of Louisiana.
Lower Canada
Lower Canada consisted of part of the former colony of Canada of New France, conquered by Great Britain in the Seven Years' War ending in 1763 (also called the French and Indian War in the United States.) Other parts of New France conquered by Britain became the Colonies of Nova Scotia, New Brunswick, and Prince Edward Island.