I've scoured E2 and gathered all the nodes I could find about or relating to the American Civil War. They are compiled here into categories of:

People... Battles & Engagements.... Places .... Terms ....
Military Units & Equipment.... Documents .... Memorials.....
Trivia and Esoterica ..... In Film, Song, or Print .... Other Related

If you have suggestions or know of relevant links that should be added, let me know.

People

Sullivan Ballou
Jefferson Davis
Jubal Early
David Farragut
Nathan Bedford Forrest
John B. Gordon
Ulysses S. Grant
Joe Hooker
Stonewall Jackson
Robert E. Lee
Abraham Lincoln
James Longstreet
George B. McClellan
Wilmer McLean
Raphael Semmes
William Henry Seward
Philip Henry Sheridan
William Tecumseh Sherman
Alexander Hamilton Stephens
J.E.B. Stuart
Stand Watie

Battles & Engagements
Battle of Atlanta
Battle of Bull Run
Battle of Chancellorsville
Battle of Chickamauga
Battle of Fredericksburg
Battle of Gettysburg
Battle of Glorietta
Battle of Seven Pines
Battle of Shiloh
Battle of the Wilderness
Decisive Battles/Events
First Manassas
Monitor and Merrimack
Pickett's Charge
Second Manassas
Shenandoah Valley Campaign
Siege of Vicksburg

Places
Apalachicola
Appomattox
Gettysburg
Antietam
Fort Sumter
Harper's Ferry
Mobile Bay
Antietam
Stone Mountain
Oregon Hill
The Peabody Hotel
Appomattox Court House
Seven Days

Terms
American Civil War
ACW
antebellum
Army of the Potomac
Confederacy
Confederate
Confederate Battle Flag
Confederate States of America
Grand Army of the Republic
peculiar institution
rebel flag
rebel yell
Reconstruction
slavery
Slavery, States' Rights, and Civil War
State's Rights
The South
the Union
Union
War Between the States
War of Northern Aggression
War of the Rebellion

Military Units & Equipment
The Buck and Ball
C.S.S. Virginia
CSS H.L. Hunley
U.S.S. Monitor
USS Cairo
USS Housatonic

Documents
A Declaration of the Immediate Causes which Induce and Justify Secession of the State of Mississippi
Amendment XIV
Declaration of Southern Independence
Editorial opinions expressed by the Richmond Times-Dispatch
Fugitive Slave Acts
Fugitive Slave Law of 1850
Gettysburg Address
Missouri Compromise
Morrill Land Grant Act
Sovereignty Commission

Memorials
Arlington National Cemetery
Olustee Battlefield State Historic Site
Gettysburg National Military Park

Trivia and Esoterica
Am. Civil War-population stats
Black Flag
Capitals of the Confederate States of America
Confederate Half Dollar
Damn the torpedoes, full speed ahead!
hand grenade
Henry Villard
Jefferson Davis' Little Known Offer
Lee-Jackson Day
Paul Morphy
Pook Turtles
Quantrill's Raiders
redlegs
Scalawag
The Angel of Marye's Heights
The Bonnie Blue Flag
warfare innovations of the American Civil War
Yankee Cheesebox

In Film, Song, or Print
Band of Bros
Barbara Frietchie
General Lee
HIST 3055-56: Civil War and Reconstruction at Virginia Tech
I Wanna Go Back To Dixie
Ken Burns
Matthew Brady -- photographer
Oldest Living Confederate Widow Tells All
Stackpole Books -- publisher
The Civil War -- poem by Anne Sexton
The Guns of the South -- alternate history by Harry Turtledove
The Eyes of Texas

Other Related
Administrate & Mechanize: The Colonial Push (1847 - 1914)
Administrate & Mechanize: The Colonial Push III
American Anti-Slavery Society
Civil War America vs. post-9/11 America
Dred Scott v. Sanford
Dred Scott
Espionage in the Civil War
Is the Confederacy part of the Union?
John C. Frémont
Lucius Quintus Cincinnatus Lamar
Lucretia Mott
Lynching in America
Major US Military Operations
Millard Fillmore
Roger B. Taney