| Campaigns/Elections |
|
Union Army veteran Walter Harriman wins the New Hampshire governorship for the Republicans. |
| Battles/Soldiers |
|
Union and Confederate armies collide near Chancellorsville in Spotsylvania County, Virginia |
| Crime/Disasters |
|
Unindentified white men murder scores of Wiyot Indians in northern California |
| Business/Industry |
|
Undetered by heavy snow, women shoe worker strikers parade in Lynn, Massachusetts |
| Science/Technology |
|
Underwater telegraph line down the Red Sea from Suez to Aden is completed |
| Foreign |
|
Underwater telegraph line across the Irish Sea completed |
| Religion/Philosophy |
|
Under the Islamic Calender, Muharram begins the new year 1277 |
| Battles/Soldiers |
|
Under cover of night in Charleston Harbor, Major Anderson consolidates his forces at Fort Sumter |
| Battles/Soldiers |
-
|
Under cover of darkness, the Confederate commerce raider Nashville escapes Beaufort, North Carolina |
| Lawmaking/Litigating |
|
Uncomfortable with President Johnson's policies, U.S. Attorney General James Speed resigns. |
| Cultural |
|
Uncle Sam makes his appearance |
| Battles/Soldiers |
|
Ulysses Simpson Grant is formally named commander of all Union Armies, with rank of Lieutenant-General |
| Battles/Soldiers |
|
Ulysses S. Grant, Union commander, hints at generous terms and suggests to Robert E. Lee they meet face to face |
| Personal |
|
Ulysses S. Grant arrives at the resort in Saratoga, New York on the next stage of his victory tour |
| Campaigns/Elections |
|
Ulysses Grant takes the oath as the eighteenth President of the United States at the U.S. Capitol in Washington, DC |
| Battles/Soldiers |
|
U.S.S. Hartford returns home from Asia with four officers who had declared for the Confederacy |
| Battles/Soldiers |
|
U.S.S. Florida captures the blockade runner Calypso off the North Carolina coast. |
| Battles/Soldiers |
|
U.S.S. Canandaiga captures the blockade runner S.S. Cherokee off Charleston |
| Personal |
|
U.S. Supreme Court Justice Peter V. Daniel dies in Richmond, Virginia |
| Lawmaking/Litigating |
|
U.S. Senate votes unanimously for a committee to investigate the Harpers Ferry Raid |
| Lawmaking/Litigating |
|
U.S. Senate Judiciary Committee votes to expel Missouri Senators Waldo Johnson and Trusten Polk |
| Lawmaking/Litigating |
|
U.S. Senate Judiciary Committee finds the evidence insufficient to expel Indiana Senator Jesse Bright |
| Lawmaking/Litigating |
|
U.S. Senate confirms well-known Democrat lawyer Edwin M. Stanton as Attorney-General |
| Lawmaking/Litigating |
|
U.S. Senate confirms Edwin M. Stanton's nomination as Secretary of War on a vote of 36-2 |
| US/the World |
|
U.S. Secretary of State William Seward meets with the president of the Dominican Republic in Santo Domingo. |
| Crime/Disasters |
|
U.S. Revenue officers clash with smugglers in the waters of Wilmington, North Carolina. |
| Military/Violent |
|
U.S. recognizes new Nicaraguan government under the influence of William Walker |
| Personal |
|
U.S. Postmaster-General Aaron V. Brown dies in office in Washington, DC |
| Business/Industry |
|
U.S. Post Office opens its contract ocean mail mail service to Europe |
| Lawmaking/Litigating |
|
U.S. Post Office excludes "disloyal" Louisville newspaper from its mails and post offices |
