| Battles/Soldiers |
|
At the port town of Helena, Arkansas, defenders inflict heavy losses on a Confederate assault |
| US/the World |
|
At the port of Veracruz, French forces complete their evacuation from Mexico. |
| Legal/Political |
|
At the Plymouth Church in Brooklyn, Wendell Phillips praises John Brown in a speech |
| Lawmaking/Litigating |
|
At the House of Delegates in Richmond, the Virginia Convention votes for secession |
| Legal/Political |
|
At the Chatham Convention in Ontario, John Brown sets up his Provisional Constitution |
| Crime/Disasters |
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|
At the Capitol, the trial of Henry Wirz, former Andersonville prison commandant, continues in Washington |
| Science/Technology |
|
At the Brooklyn Naval Yard, the United States Navy launches its latest frigate, the wooden screw steamer "Madawaska" |
| Battles/Soldiers |
|
At the Big Black River Bridge, Union troops sweep aside a blocking force covering the Confederate retreat to Vicksburg |
| Battles/Soldiers |
|
At the Battle of Tuyutí, the Paraguayan army suffers massive losses attacking the Allied invaders. |
| Battles/Soldiers |
|
At the Battle of Estero Bellaco, Brazilian and Argentine forces beat off a Paraguayan attack. |
| Battles/Soldiers |
|
At the Battle of Custoza, near Verona, Austrian troops halt the Italian invasion of Venetia. |
| Battles/Soldiers |
|
At the Battle of Atlanta, the Union's Army of the Tennessee defeats Confederate attempts to defend the city |
| Crime/Disasters |
|
At the Baltimore depot, the presidential rail car, the President not aboard, collides with a freight train |
| Education/Culture |
|
At the Academy of Music in New York City, William Hanlon debuts his celebrated trapeze act |
| Personal |
|
At ten o'clock in the morning President Lincoln's remains reach Baltimore to lie in state there for several hours |
| Lawmaking/Litigating |
|
At Tahlequah in Indian Territory, the Cherokee Nation publishes its Declaration of Causes for alliance with the South |
| Education/Culture |
|
At Springfield in Massachusetts, an international rowing match sees the hosts beat a Canadian crew. |
| Personal |
|
At Savannah, Tennessee, experienced Union division commander Charles F. Smith dies of illness |
| Crime/Disasters |
|
At Sand Creek in Colorado, territorial volunteers attack encamped Cheyenne and Arapaho, killing hundreds |
| Battles/Soldiers |
|
At Salem, Virginia, legendary cavalry commander Colonel J.S. Mosby bids his command farewell for the last time |
| Battles/Soldiers |
|
At Salem, Virginia, General Averell's Union cavalry raid arrives to destroy rail communications |
| Battles/Soldiers |
|
At Sailor's Creek, the Army of Northern Virginia loses almost a quarter of its remaining strength |
| Personal |
|
At Richmond, Indiana, a crowd of thousands await the three a.m. arrival of President Lincoln's train |
| Battles/Soldiers |
|
At Ream's Station in Virginia, Confederate units make a powerful effort to regain the control of the vital Weldon Railroad |
| US/the World |
|
At Querétaro, the Emperor Maximilian of Mexico surrenders to insurgent Liberal forces. |
| US/the World |
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|
At Querétaro, the Emperor Maximilian of Mexico goes on trial before a Liberal military tribunal.. |
| US/the World |
|
At Portland, Maine, the Prince of Wales departs North America at the end of his tour |
| Battles/Soldiers |
|
At Port Royal, South Carolina, the 1st South Carolina Colored Infantry receives its regimental colors |
| Battles/Soldiers |
|
At Point of Rocks, Union troops on the Maryland side skirmish with Confederate units across the Potomac |
| Crime/Disasters |
|
At Plum Creek in Nebraska, Cheyenne Indians attack and wipe out a sizable wagon train carrying freight, killing eleven |
