| Lawmaking/Litigating           | 
                                                                                        
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                                                                                        More than a thousand names are drawn in the resumed Draft Lottery in New York's Sixteenth Ward           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
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                                                                                        The Battle of Chattanooga, August 21, 1863           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
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                                                                                        In Tennessee, retreating Confederates cut the vital rail link between Nashville and Chattanooga           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
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                                                                                        In Charleston Harbor, Massachusetts troops clear the advanced rifle pits in front of Fort Wagner            | 
              
          
                                                                                        | Science/Technology           | 
                                                                                        
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                                                                                        British scientists estimate the country's coal reserves will last 930 years at present levels of consumption           | 
              
          
                                                                                        | Personal           | 
                                                                                        
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                                                                                        The troops of the Pennsylvania Reserve present General George Meade with a valuable sword in recognition of his leadership            | 
              
          
                                                                                        | Crime/Disasters           | 
                                                                                        
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                                                                                        In Virginia, five deserters from the 118th Pennsylvania are executed before the entire V Corps, Army of the Potomac           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
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                                                                                        An experimental Confederate submarine sinks in Charleston Harbor during a training accident, killing five           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        An experimental Confederate submarine sinks in Charleston Harbor during a training accident, killing five           | 
              
          
                                                                                        | US/the World           | 
                                                                                        
           | 
                                                                                        The British Prime Minister orders the detention of two recently British-built vessels for the Confederacy           | 
              
          
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                                                                                        In Charleston Harbor, a night attack by Union small boats on Battery Gregg is easily repulsed           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        In Charleston Harbor, after months of bloody attacks and meticulous siege, Union troops occupy Fort Wagner            | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        The Confederate garrisons of Fort Wagner and Battery Gregg abandon their defense and slip away in the night           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        In Charleston Harbor, Confederate Fort Moultrie suffers a massive magazine explosion under U.S. Navy gunfire           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        In northern Virginia, units of the Army of the Potomac pass in review before their commander, General Meade           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        In Texas, the Confederate fort defending the Sabine Pass defeats a far superior Union amphibious attack            | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        Union forces under General Burnside occupy the Cumberland Gap           | 
              
          
                                                                                        | US/the World           | 
                                                                                        
           | 
                                                                                        A 6000-man rebel army captures the city of Santiago in Spanish-ruled Santo Domingo           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        Union cavalry capture Culpeper, Virginia after a sharp mounted action through the town           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
 - 
           | 
                                                                                        Moving out from newly captured Culpeper, Virginia, Union cavalry units probe Confederate positions           | 
              
          
                                                                                        | US/the World           | 
                                                                                        
           | 
                                                                                        Rebels in Spanish-ruled Santo Domingo make a new declaration of independence           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
 - 
           | 
                                                                                        In Georgia, advancing Union forces suffer a very heavy defeat near Chickamauga Creek           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        The cornerstone of the Soldiers' Monument is laid at Hampton National Cemetery in Virginia.           | 
              
          
                                                                                        | US/the World           | 
                                                                                        
           | 
                                                                                        Mexican conservatives ask Austrian prince Maximilian to become Emperor of Mexico           | 
              
          
                                                                                        | Science/Technology           | 
                                                                                        
           | 
                                                                                        Alfred Nobel takes out his first patent for nitro-glycerine in Sweden           | 
              
          
                                                                                        | Battles/Soldiers           | 
                                                                                        
           | 
                                                                                        The experimental Confederate submarine, H.L. Hunley again sinks in Charleston Harbor during trials, drowning eight men           | 
              
          
                                                                                        | Crime/Disasters           | 
                                                                                        
           | 
                                                                                        French ship founders in the Atlantic but the fortunate passengers and crew are rescued by an American vessel           | 
              
          
                                                                                        | Education/Culture           | 
                                                                                        
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                                                                                        In London, the Football Association, the first governing body of its kind in the world, is founded           | 
              
          
                                                                                        | US/the World           | 
                                                                                        
           | 
                                                                                        In Glasgow, Scotland, the British-built "Pampero," planned for the Confederate Navy, is launched           | 
              
          
                                                                                        | US/the World           | 
                                                                                        
           | 
                                                                                        The new, seventeen year-old King George arrives in Athens to begin a popular and successful fifty year reign           |