| Campaigns/Elections |
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The Republican governor of Louisiana vetoes early elections for New Orleans. |
| Campaigns/Elections |
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The Republican Party convention opens in Philadelphia |
| Campaigns/Elections |
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The Republican Party holds its first national meeting |
| Lawmaking/Litigating |
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The Republican Party is organized in Kansas at a Convention in Osawatomie |
| Campaigns/Elections |
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The Republican victory in the Baltimore municipal elections kicks off a political firestorm in Maryland. |
| US/the World |
|
The results of the plebiscite confirming Austria's ceding of Venice to Italy are announced. |
| Battles/Soldiers |
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The retreating Army of Virginia reaches the Potomac and finds it flooded and impassable |
| Campaigns/Elections |
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The returned Senator Seward meets his New York City contituents |
| Business/Industry |
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The S.S. Great Eastern arrives back in Britain after her first trans-Atlantic voyage |
| Science/Technology |
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The S.S. Great Eastern begins her new career as a telegraphic cable layer, beginning with the Atlantic Cable |
| Business/Industry |
|
The S.S. Great Eastern sails from New York for home after her first visit to the United States |
| Science/Technology |
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The safety pin is patented in New York City |
| Crime/Disasters |
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The San Narcisco hurricane continues its destructive path from Puerto Rico to St. Thomas in the Virgin Islands. |
| Education/Culture |
|
The school that is soon to become Fisk University opens for its first class in Nashville, Tennessee |
| Battles/Soldiers |
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The Second Corps of the Army of Virginia crosses the Potomac and marches on Pennsylvania |
| Crime/Disasters |
|
The second hanging of an Army of the Potomac soldier takes place north of Washington DC |
| Religion/Philosophy |
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The Second Plenary Council Meeting of the U.S. Roman Catholic Church is meeting in Baltimore, Maryland. |
| Lawmaking/Litigating |
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|
The second regular session of the 34th Congress is sitting in Washington, DC between early December and early March |
| Lawmaking/Litigating |
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|
The second session of the 26th Congress is sitting in Washington, DC between early December, 1840 and early March, 1841 |
| Lawmaking/Litigating |
|
The second session of the 26th Congress opens in Washington, DC |
| Legal/Political |
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|
The second session of the 27th Congress is sitting in Washington, DC between early December, 1841 and late August, 1842 |
| Lawmaking/Litigating |
|
The second session of the 27th Congress opens in Washington, DC |
| Legal/Political |
|
The second session of the 28th Congress opens in Washington, DC |
| Lawmaking/Litigating |
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|
The second session of the 29th Congress is sitting in Washington, DC between early December, 1846 and early March, 1847 |
| Lawmaking/Litigating |
|
The second session of the 29th Congress opens in Washington, DC |
| Lawmaking/Litigating |
|
The second session of the 30th Congress opens in Washington, DC |
| Lawmaking/Litigating |
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|
The second session of the 30th Congress sits in Washington, DC between early December, 1848 and early March, 1849 |
| Legal/Political |
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|
The second session of the 31st Congress is sitting in Washington, DC between early December, 1850 and early March, 1851 |
| Legal/Political |
|
The second session of the 31st Congress opens in Washington, DC |
| Legal/Political |
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The second session of the 32nd Congress is sitting in Washington, DC between early December, 1852 and early March, 1853 |
