Abraham Lincoln is reelected president.
General Ulysses S. Grant given command of all Union armies (March).
Battle of the Wilderness (May).
Battle of Spotsylvania (May).
Battle of Cold Harbor (June).
Surrender of Atlanta (September).
In 1866 the National Labor Union asked Congress to pass legislation that would mandate an eight-hour work day.
Nevada is admitted to the Union.
Sand Creek Massacre of Indians in Colorado.
Wade-Davis bill passed by Congress and pocket-vetoed by President Lincoln.
General Sherman burns Atlanta; begins "March to the Sea" (September).