Grand Duchess Olga

Traces the origins and actions of World War I, from the funeral of Britain's King Edward VII to the Versailles Treaty.

A compilation of newsreels shot between 1913 and 1917 - the years leading up to the Russian Revolution.

They are the tragic stories at the heart of some of history's most defining moments - tales of hatred and obsession, fanaticism and a burning desire for attention. In Assassinations That Changed the World, HISTORY examines the famous assassinations and assassination attempts that have left their mark on humanity.