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.
Rear Admiral David Porter sent 12 vessels south on the Mississippi past Vicksburg. Although hit a number of times by Confederate gunners, the vessels suffered little damage.
Military governor Joseph Jones ("JJ") Reynolds announces the act to readmit Texas to Congressional representation. It is his final action as military governor of Texas