On This Day In Civil War History - May 12

1861 - Union General Benjamin Butler takes control of Federal Hill and threatens to fire on downtown Baltimore, Maryland if Southern sympathizers protest.

1863 - Battle of Raymond, Mississippi.  A Confederate brigade under General John Gregg attacks a Union division under Major General John Logan in the town of Raymond, between Vicksburg and Jackson, Mississippi

1865 - The last significant fighting of the WBTS takes place at the Palmito Ranch, Texas along the Rio Grande between Col. Theodore Barrett and John S. "RIP" Ford

1865 - 8 conspirators in the Lincoln assassination plead not guilty to the military court holding the trial

1865 - Major General O. O. Howard is appointed by President Andrew Johnson to become head of the Freedman's Bureau