How Assassinations Change History

A single bullet can change more than a battle. The murder of Archduke Franz Ferdinand in 1914 set off the alliance cascade of the July Crisis and the First World War; the killing of Julius Caesar in 44 BCE ignited the civil wars that ended the Roman Republic.

Yet structural forces usually reassert themselves. McKinley death gave the world Theodore Roosevelt and the Progressive Era; Sadat murder froze rather than reversed the peace he signed.

Historians distinguish triggering events from underlying causes. Assassinations act most decisively when a system is already primed, removing the one leader who could hold a settlement together, as Rabin did in Israel in 1995..