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Slavery is abolished in the Northwest Territory via the Ordinance of 1787.
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The second census of the US recorded 5,308,483 people in the colonies. The center of the population was in Maryland.
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John Adams is elected president of the US against Thomas Jefferson.
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John Marshall is appointed Chief Justice on the Supreme Court of the US.
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Thomas is reelected as president of the USA against Aaron Burr.
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West Point Military Academy is established in New York and opens four months later on July 4th.
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Ohio is admitted into the United States Union as the 17th state
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Jefferson purchases the Louisiana Territory from Napoleon, doubling the size of the US. This also allowed for the expansion that would soon inspire Manifest Destiny.
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New Jersey abolishes slavery, being the last northern state to do so.
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Lewis and Clark begin their expedition to map the ever-expanding northern territories. They began with navigating the Missouri River.
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Jefferson is reelected as president of the US against Charles Pinckney.
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The territory of Michigan is established.
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The Lewis and Clark expedition of mapping northern trritories ends with the help of Sacagawea.
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Congress passes an act which prohibits the importation of slaves into any US port from any foreign nation.
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James Madison is elected as the fourth President of the US against Charles Pinckney.
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The Supreme Court rules that the powers of Federal Government are greater than the powers of any single state.
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America's third census places the country's population at 7,239,881 people.
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Steamboats officially open to the public with the first service of ferrying from New York City to Hoboken, New Jersey.
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William Henry Harrison defeats natives under the orders of Tecumseh in the battle of Tippecanoe.
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James Madison declares war on Great Britain, beginning the War of 1812 for the US. However, GB had already begun establishing naval blockades at this point.
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James Madison defeats De Witt Clinton in the run for US president.
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The Battle of York occurs when US soldiers attack and pilage the town of Toronto, Canada but do not stay to occupy it.
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America loses the Battle of Stoney Creek to the English army, though they greatly outnumbered the British.
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The White House is burned by the British troops in return for destroying public buildings in Toronto. Madison is evacuated
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US forces win the Battle of Lake Champlain with the USS Ticonderoga.
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Francis Scott Key writes the lyrics to the Star Spangled Banner whilst among the battlefield at Fort McHenry.
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The peace treaty of Ghent is signed between Great Britain and the United States, ending the war of 1812.
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Uninformed British troops attack Andrew Jackson's troops in New Orleans two weeks after the peace treaty has been signed. Two thousand British soldiers die, as well as seventy-one Americans.
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The Second Bank of the United States is chartered five years after the 1st expires.
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James Monroe is elected president against Rufus King.
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Indiana territories are integrated into the Union.
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The beginning creation of the Erie Canal begins in Rome, New York.
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Mississippi is admitted into the US Union as the 20th state.
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Illinois enters the US as the 21st state of the ever-growing republic.
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The first major economic crisis of the US began with the Panic of 1819, caused most likely by the major amounts of money borrowed by the government to support the War of 1812.
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The territory of Florida is ceded to the US by Spain in the Adams-Onis Treaty.
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The Missouri Compromise by Henry Clay is passed by the US Congress. The legislation allows slavery in the Missouri territory, but not in states west of the Mississippi River that were north of 36 degrees 30 minutes latitude, Missouri's southern line.
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Monroe demolished his presidential run against John Quincy Adams 231:1.
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Monroe announces the Monroe Doctrine to Congress, stating that European intervention would no longer be acceptable and that the US would be neutral in all European wars from thereforth.
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The first strike by female workers occurs in Rhode Island.
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John Quincy Adams is elected president against fellow Republicans. February 9, 1825,
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Slavery is completely and legally abolished in New York
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The first commercial passenger train, the Baltimore and Ohio, begins to run.
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Andrew Jackson is elected president over John Quincy Adams.
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The US Congress approves the Indian Removal Act, facilitating the relocation of Native American tribes anywhere east of the Mississippi River.
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Cyrus H. McCormick successfully creates a reaper capable of speeding up harvest immensily.
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Slave uprising in Virginia led by Nat Turner kills 57 white citizens.
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The northern Union fights against the ceded southern Confederacy over their disagreements on slavery. The Union finally comes to victory after four years of losses on both sides. It was the war with the highest American casualties, more than every other war combined. Slavery, however, still is not completely abolished after the end of the war.