Here's another one, from The Frontier
General History
Note that this history is only general, and very vague. It's primary purpose is to give historical understanding to the genesis of various states. I greaty encourage people to suggest filler and events that occured.
1781: The American Colonies, having gained independence enact the Articles of Confederation becoming one united sovereign nation.
1783: Britain formally recognizes the American states, as a confederation, with the Treaty of Paris, and cedes to the confederation British Mississippi and the Northwest Territories (Ohio Valley, Illinois territory).
1786: Maryland and Virginia’s territorial dispute over the Potomac basic leads to violence and fighting. The Confederation’s inability to deal with the problem in particular leads to its collapse as an organization. The colonies become separate nations.
1787: Disputes arise regarding the British territories not under direct control of various colonies. Virginia and Pennsylvania annex parts of Ohio territory. New York and Connecticut also have claims in the region. Pennsylvania Abolitionists and Quakers move into Ohio, while Virginians continue to move west into Illinois.
1798: South Carolinan and Georgian Settlers move into former British Mississippi territory. The Nation of Mississippi is soon formed thereafter.
1800: Napoleon Bonaparte of France regains Louisiana from Spain through a secret treaty. Napoleon envisions a great French Empire in the New World. Later treaties with American nations, Britain, and Spain will settle the borders.
1802: French troops crush a slave rebellion in Hispaniola. Regaining control over the key island allows France to maintain control more easily over Louisiana.
1803: The borders of Louisiana are refined and settled with various treaties between France, the American nations, and Spain.
1805-06: Fighting between settlers in Ohio begins to break out, with Virginia and Pennsylvania each supporting a side. The situation is resolved by splitting the territory into two—Illinois and Ohio. Virginia administers Illinois and Pennsylvania and New York administer Ohio.
1808: Ohio is formed and recognized by Pennsylvania and New York.
1809: In response to Ohio’s formation, Virginia allows Illinois to form into a new nation and recognizes it.
1819: Georgia, concerned with Seminole natives crossing over from Spanish Florida and raiding Georgian settlements, concludes a treaty with Spain and Mississippi. Georgia purchases much of Eastern Florida while Mississippi purchase the remainder west to the Pearl River. In return, Georgia and Mississippi recognize Spain’s claim over Texas.
1821: After eleven years of struggle, Mexico finally gains independence from Spain. Mexico consists of Mexico, Utah, New Mexico, Texas, and California. The territory of Oregon remains in Spanish hands.
1825: Various American states force Spain and Russia to relinquish claims to Oregon territory.
1846-48: American settlers in Texas fight for independence from Mexico. Texas gains independence in 1848.
1847 Mormons begin to settle in Northern New Mexico. Americans continue to settle further West into Mexican territory as well, particularly to California.
1851-53: Mormons attempt to secede from Mexico. Texas uses Mormon situation and American settlers in California as an excuse to intervene. Texas-Mexico war ensues. Mexico loses and is forced to grant California, and Utah independence.
1859: Oregon is formally recognized by American states, Spain, and Russia.
1870-1871: Franco-Prussian War. Frances hands over Louisiana to Germany. Germany begins a program to settle Germans in the northern parts.
1895: Second Cuban War of Independence. New York, with help from others, intervenes on behalf of Cuba after the sinking of one of its naval ships. Using pretences of liberation, Texas goes to war with Mexico and liberates New Mexico.
1903: President of New York, Theodore Roosevelt, helps Panama gain independence and builds the Panama Canal.
1914-1917 The War to End all Wars. The Treaty of Versailles grants Louisiana independence. In addition, a unique territory, Oklahoma, is created as an international reservation for the remaining Native Americans.
1918-1919: Louisiana Civil War. Low-level conflict begins between French in the south and Germans in the north. Heavy pressure from Texas and other American states leads to Louisiana being split and Nebraska being created.
1929: International trade crumbles and leads to Great Depression
1934: As a result of the depression, and particularly several slave riots instigated by violent abolitionists from the North, the National Socialist Party wins elections in South Carolina.
1935: Present Day