Twelve Years' Truce

The Twelve Years' Truce was a ceasefire during the Eighty Years' War between Spain and the Dutch Republic, agreed in Antwerp on 9 April 1609 and ended on 9 April 1621. While European powers like France began treating the Republic as a sovereign state, the Spanish viewed it as a temporary measure forced on them by financial exhaustion and domestic issues and did not formally recognise Dutch independence until the Treaty of Westphalia in 1648. The Truce allowed Philip III of Spain to focus his resources elsewhere, while Archdukes Albert and Isabella used it to consolidate Habsburg rule and implement the Counter-Reformation in the Southern Netherlands.