Succession crisis

A succession crisis arises when an order of succession fails, for example when a king dies without an indisputable heir. It may result in a war of succession. Examples include:

• Nerva and the Roman succession crisis of AD 96–99
• Boleslaw I's intervention in the Kievan succession crisis, 1018
• 1383–1385 Crisis, the 1383-1385 succession crisis over the throne of Portugal
• 1558–1559, English succession crisis after the death of Mary I of England
• Portuguese succession crisis of 1580, the 1580 succession crisis over the throne of Portugal
• Henry IV of France's succession crisis between France and Spain, 1610
• War of the Spanish Succession (1701–1714) over who would succeed Charles II of Spain
• War of succession, any conflict where two sides war over rival claims to a throne.
• Succession crisis (Latter Day Saints), the 1844 leadership crisis in the Latter Day Saint movement after the death of Joseph Smith
• Monaco succession crisis of 1918, the 1918 succession crisis over the throne of Monaco