1756 .. 1763
Seven Years War (French and Indian War) won by Great Britain. France ceded territorial claims east of the Mississippi River to Britain and those west of the River (including New Orleans) to Spain; Great Britain returned war-captured Cuba to Spain for Florida, which was divided into West Florida (including Mobile) and East Florida (the peninsula).

1775 .. 1783
American Revolution creates United States of America governed by the Articles of Confederation.

1787
United States Constitution written.

1790
Creek Indians, led by Alexander McGillivray, negotiate the Treaty of New York with the U.S. government. The treaty ceded Creek territory in Georgia to the new nation, and acknowledged Indian rights in western Georgia and Alabama.

1793
Eli Whitney invents cotton gin.

1797 .. 1799
Andrew Ellicott's survey established U.S. claims for its southern boundary at the 31st parallel.

1798
Mississippi Territory organized from Georgia's western land claims, including Alabama.

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