War of Spanish Succession Begins

Setting the scene

The War of the Spanish Succession (1701-1714) began when Charles II of Spain, the last Habsburg king, died childless on November 1, 1700. His will left the entire Spanish Empire—Spain, the Spanish Netherlands, Naples, Sicily, Milan, and vast American colonies—to Philip of Anjou, grandson of Louis XIV of France. This threatened to unite France and Spain under Bourbon control, upsetting the European balance of power. Emperor Leopold I of Austria claimed the throne for his son Archduke Charles, as the Habsburgs had intermarried with Spanish Habsburgs.

What happened

Louis XIV initially accepted the will but then provoked war by recognizing Philip as heir to the French throne (suggesting possible union), sending troops into the Spanish Netherlands, and threatening Dutch and English trade. In September 1701, England, the Dutch Republic, and Austria formed the Grand Alliance to prevent Bourbon dominance. The war began in 1701 with fighting in Italy and the Low Countries. It became a global conflict, fought in Europe, North America (Queen Anne's War), and at sea.

Why it still matters

The war lasted 13 years and reshaped Europe. Allied victories at Blenheim (1704), Ramillies (1706), and Oudenarde (1708) by the Duke of Marlborough and Prince Eugene of Savoy broke French power. But Allied unity collapsed after 1711 when Archduke Charles became Holy Roman Emperor—uniting Spain and Austria was as dangerous as uniting Spain and France. The war ended with the Treaties of Utrecht (1713) and Rastatt (1714): Philip V kept Spain but renounced the French throne, and Spain ceded territories to Austria and Britain. The war established the principle of balance of power and marked Britain's emergence as a great power.

Background

It redrew balances from Flanders to Italy. Even centuries later, this episode remains a reference point for how empires rise, fracture, and transform.