World War 1
Worldwar1.com: Trenches on the Web: 28 Jun 1914 Assassination in Sarajevo
This page explains the assassination of Archduke Ferdinand on June 28, 1914 using a story format.
Brigham Young University
Brigham Young University: Assassination of Franz Ferdinand
This site from the Brigham Young University gives a firsthand account of the killings. The man that gave this account was arrested as a suspect.