Wars of succession

A war of succession or succession war is a war prompted by a succession crisis in which two or more individuals claim the right of successor to a deceased or deposed monarch. The rivals are typically supported by factions within the royal court. Foreign powers sometimes intervene, allying themselves with a faction. This may widen the war into one between those powers.

In historiography and literature, a war of succession may also be referred to as a succession dispute, dynastic struggle, conflict, war, or any combination of these terms. Not all of these are necessarily describing armed conflict, however, and the dispute may be resolved without escalating into open warfare. Wars of succession are also often referred to as a civil war, when in fact it was a conflict within the royalty, or broader aristocracy, that civilians were dragged into, and may therefore be a misnomer, or at least a misleading characterisation.

A war of succession is a type of intrastate war concerning struggle for the throne: a conflict about supreme power in a monarchy. It may become an interstate war if foreign powers intervene. A succession war may arise after (or sometimes even before) a universally recognised ruler over a certain territory passes away (sometimes without leaving behind any (legal) offspring), or is declared insane or otherwise incapable to govern, and is deposed. Next, several pretenders step forward, who are either related to the previous ruler and therefore claim to have a right to their possessions based on the hereditary principle, or have concluded a treaty to that effect. They will seek allies within the nobility and/or abroad to support their claims to the throne. After all options for a diplomatic solution –such as a sharing of power, or a financial deal– or a quick elimination –e.g. by assassination or arrest– have been exhausted, a military confrontation will follow. Quite often such succession disputes can lead to long-lasting wars.

Some wars of succession are about women's right to inherit. This does not exist in some countries (a "sword fief", where the Salic law applies, for example), but it does in others (a "spindle fief"). Often a ruler who has no sons, but does have one or more daughters, will try to change the succession laws so that a daughter can succeed him. Such amendments will then be declared invalid by opponents, invoking the local tradition.

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