On the first day of the battle of Shiloh/Pittsburg Landing, General Albert Sidney Johnston, commander of the Department of the West is killed while leading an advance against a Union position in a peach orchard.
General Fitz-John Porter [US] decides to ride in an observation balloon alone when inventor Thaddeus Lowe takes a sick-day. In flight, the balloon tether breaks, and Porter nearly crosses into enemy territory. A last minute change in wind direction returned him to Union lines.
Combining the Confederate Army of the Potomac with John Magruder's Army of the Peninsula and a large garrison at Norfolk, President Jefferson Davis creates the Army of Northern Virginia.
Attempting to break the Yorktown Line, forces under General Winfield Scott Hancock [CS] engage General John Magruder [CS]. This battle is sometimes noted as the Battle of Lee's Mill or Burnt Chimneys.
Early in the morning Commadore Farragut ships begin sailing up the Mississippi River past Fort Jackson and Fort St. Phillip. After half the fleet sails past the fort the Confederates discover the movement and open fire. All major federal ships make it past the forts.
After a duel with Confederate ships at English Turn, Commadore Farragut's fleet weighs anchor at New Orleans and demands the surrender of the largest city and most important port in the South. By the time Farragut arrives the city was partially on fire.
General John C. Parke [US] bombards Fort Macon, near Beaufort, following a month-long siege of the fort. Colonel Moses White had no choice but to surrender.