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1 Jul 1862
Congress banned polygamy, stating that those who are caught are to be punished.
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10 Mar 1862
The US issued first paper money in denominations of $5, $10, $20, $50, $100, $500 and $1000 notes.
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31 May 1861
The New Orleans Minting facility closed.
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23 Jun 1860
The US Congress announced the United States Government Publishing Office formation.
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3 Aug 1859
The American Dental Association was founded in Niagara Falls, New York.
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2 Aug 1858
Letter collections started being collected from mailboxes in Boston, US.
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10 Jun 1854
The first class of students graduated from the United States Naval Academy.
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18 Sep 1851
The New York Times published its first issue.
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24 Dec 1849
The first great fire of early San Francisco started on the east side of the Plaza.
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15 Nov 1849
The US held its first poultry show at Boston's Public Garden.
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14 Aug 1848
Congress created the Oregon Territory, which included Oregon, Washington, Idaho, and Western Montana.
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9 Aug 1848
The Free Soil Party was formed by 465 delegates in Buffalo.
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1 Jul 1847
The first US postage stamps were issued.
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7 May 1847
The American Medical Association was formed.
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15 Dec 1836
The US Patents Office was nearly completely burned down.
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8 Jan 1835
The US wasn't in debt on this day.
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16 Oct 1829
The Tremont Hotel in Boston became the first modern hotel in the United States.
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4 Apr 1818
US Congress released a US flag that featured 20 stars and 13 red and white stripes.
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17 Nov 1800
The US Senate held its first session in the unfinished Capitol Building.
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13 Feb 1795
The University of North Carolina opened, becoming the first US public state university.
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5 Jun 1794
The US Neutrality Act was enacted.
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25 Sep 1789
The US congress proposed the addition of twelve changes to the US Constitution.
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27 Jul 1789
The US Department of Foreign Affairs, the fledgling nation's first federal agency, was established.
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4 Mar 1789
The Senate convened for the first time after the new federal government was set up in the USA.
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17 Sep 1787
39 out of 50 delegates signed the US Constitution and shared it publicly.
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8 Aug 1786
The US Congress made a final decision on the use of the US Dollar as currency.
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10 Sep 1785
The Treaty of Amity and Commerce was signed between the Kingdom of Prussia and the United States of America.
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6 Jul 1785
The US adopted the name 'dollars' and started using decimal coinage.
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3 Jun 1784
The First American Regiment was authorized by the Continental Congress proceeding the American Revolutionary War.
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20 Jun 1782
After years of discussions, the US adopted the Great Seal national symbol, which features the iconic bald eagle.
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15 Nov 1777
The Continental Congress ratified the Articles of Confederation, the first government rule for the newly-formed United States of America.
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14 Jun 1777
The Second Continental Congress met to create the US flag with stars and stripes.
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5 Dec 1776
The first fraternity in the US was founded at William and Mary College: Phi Beta Kappa.
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9 Sep 1776
Congress changed the official name from United Colonies to the United States of America.
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2 Aug 1776
The finalized copy of the United States Declaration of Independence was signed by congress.
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4 Jul 1776
The United States of America declared its Independence from Britain.
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28 Jun 1776
The final draft of the Declaration of Independence was presented to the final 'Committee of the Whole' Congress.
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19 Apr 1775
The Battle of Lexington and Concord began, which kicked off the American Revolutionary War between 1775 & 1783.
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12 Jan 1773
The Charleston Museum was founded, making it the first public museum in the United States.
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29 Jun 1767
The Commissioners of Customs Act was passed in the US.
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25 Sep 1639
The first printing press was set up in New England, US.
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25 Jun 1638
American colonies recorded their first astronomical event after observing a lunar eclipse.
