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			 Date | 
			 Event(s) | 
		
	
| 1  | 1801  | - 4 Mar 1801—4 Mar 1809: Jefferson/Burr and Clinton admin
 
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| 2  | 1809  | - 4 Mar 1809—4 Mar 1817: Madison/Clinton and Gerry admin
 
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| 3  | 1812  | - 30 Apr 1812—30 Apr 1812: Louisiana becomes 18th state admitted to the Union.
 
- 18 Jun 1812—8 Jan 1815: War of 1812
 
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| 4  | 1817  | - 4 Mar 1817—4 Mar 1825: Monroe/Tompkins admin
 
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| 5  | 1818  | - 3 Dec 1818—3 Dec 1818: Illinois is 21st state admitted to the Union
 
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| 6  | 1825  | - 4 Mar 1825—4 Mar 1829: Adams/Calhoun admin
 
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| 7  | 1829  | - 4 Mar 1829—4 Mar 1837: Jackson/Calhoun and Van Buren admin
 
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| 8  | 1832  | - 1832—1832: Cholera epidemic -major cities - in October  over 4000 died in New Orleans 
 
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| 9  | 1837  | - 4 Mar 1837—4 Mar 1841: Van Buren/Johnson admin
 
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| 10  | 1841  | - 1841—1841: Yellow fever epidemic (esp sevre in the south)
 
- 4 Mar 1841—4 Mar 1845: Tyler/(vacant) admin
 
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| 11  | 1845  | - 4 Mar 1845—4 Mar 1849: Polk/Dallas admin
 
- 29 Dec 1845—29 Dec 1845: Texas is 28th state admitted to the Union (population 2000)
 
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| 12  | 1846  | - 25 Apr 1846—2 Feb 1848: Mexican-American War
 
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| 13  | 1849  | - 4 Mar 1849—9 Jul 1850: Taylor/Fillmore admin
 
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| 14  | 1850  | - 9 Jul 1850—3 Mar 1853: Fillmore/(vacant) admin
 
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| 15  | 1853  | - 4 Mar 1853—4 Mar 1857: Pierce/King and (vacant) admin
 
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| 16  | 1857  | - 1857—1859: Influenza (world wide, one of disease's greatest epidemics)
 
- 4 Mar 1857—4 Mar 1861: Buchanan/Breckenridge admin
 
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| 17  | 1860  | - 1860—8 Apr 1865: Civil War
 
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| 18  | 1861  | - 4 Feb 1861—4 Feb 1861: Confederate States of America formed
 
- 23 Feb 1861—23 Feb 1861: Texas 7th state to secede from the Union
 
- 4 Mar 1861—15 Apr 1865: Lincoln/Hamlin and Johnson admin
 
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| 19  | 1862  | - 1862—1862: Sabine Pass: Yellow Fever epidemic
 
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| 20  | 1863  | - 1863—10 May 1869: Construction of First Transcontinental Railroad
 
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| 21  | 1865  | - 1865—1877: Reconstruction Period
 
- 4 Apr 1865—4 Mar 1869: Johnson/(vacant) admin
 
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| 22  | 1868  | - 1 Jun 1868—1 Jun 1868: Texas constitutional convention meets in Austin
 
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| 23  | 1869  | - 4 Mar 1869—4 Mar 1877: Grant/Colfax and Wilson admin
 
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| 24  | 1877  | - 4 Mar 1877—4 Mar 1881: Hayes/Wheeler admin
 
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| 25  | 1881  | - 4 Mar 1881—9 Sep 1881: Garfield/Arthur admin
 
- 19 Sep 1881—4 Mar 1885: Arthur/(vacant) admin
 
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| 26  | 1885  | - 4 Mar 1885—4 Mar 1889: Cleveland/Hendricks and (vacant) admin
 
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