Timeline events are sourced from numerous books, newspapers and web sites. The major contributing sources are identified below:

General Sources
Brazier, Chris. The No-Nonsense Guide to World History. New Internationalist Publications. Oxford, UK. 2001.

Grun, Bernard. The Timetables of History. New York. 1991.

Richard Homes, ed., The Oxford Companion to Military History. Oxford. 2001.

Mercer, Derrik. Editor-in-chief ed. Millennium Year by Year. DK. London. 1999.

O'Brien, Patrick K. general ed. Atlas of World History. New York. 2002.

O'Brien, Patrick K. general ed. Encyclopedia of World History. Facts on File. New York. 2000.

New York Times on the Web

Ancient History
Martin, Thomas R. Ancient Greece from Prehistoric to Hellenistic Times. New Haven. 2000.

Middle Ages
Cantor, Noman F. ed. The Encyclopedia of the Middle Ages. New York. 1999.

George Homes, ed., The Oxford Illustrated History of Medieval Europe. Oxford. 1990.

American Civil War
Davis, Burke, Gray Fox: Robert E. Lee and the Civil War (reprint), Harry Holt and Co., New York, 1998.

Davis, Burke, They Called Him Stonewall (reprint), Harry Holt and Co., New York, 1999.

Eicher, John H. & David J., Civil War High Commands, Stanford University Press, Stanford, 2001.

Foote, Shelby, The Civil War - A Narrative (3 vols.), Random House, New York, 1986.

Hansen, Harry, The Civil War - A History, Penguin Putnam, Inc., New York, 1961.

Perry, Mark, Conceived in Liberty - Joshua Chamberlain, William Oates, and the American Civil War, Penguin Putnam, Inc., New York, 1997.

Sears, Stephen W., To the Gates of Richmond: The Peninsula Campaign, Houghton Mifflin Company, New York, 2001.

War Department, The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies (128 vols.), Government Printing Office, Washington, D.C., 1880-1901.

Warner, Ezra J., Generals in Blue - Lives of the Union Commanders, Louisiana State University Press, Baton Rouge, 1999.

Warner, Ezra J., Generals in Gray - Lives of the Confederate Commanders, Louisiana State University Press, Baton Rouge, 2000.

World War II
Bunting, Edward. Senior ed. World War II Day by Day. DK. London. 2001.

Davidson, Edward and Manning, Dale. Chronology of World War Two. Cassell. London. 1999.

Middle East
La Guardia, Anton. War Without End Israelis, Palestinians, and the Struggle for a Promised Land. Thomas Dunne Books. New York. 2001.