Union of Utrecht

State · 1579–1581 CE · at its largest around 1579 CE

The 1579 alliance of northern provinces of the Low Countries against Habsburg Spain during the Dutch Revolt, which formed the basis of the later Dutch Republic.

On its lands while it lasted

• Trier (16 BCE – 1618 CE): Capital of Electorate of Trier (1333–1618).
• Eighty Years' War (1568–1648 CE): The revolt of the Netherlands against Habsburg Spain, which began in 1568. It produced the independent Dutch Republic, recognised by the Peace of Münster in 1648.

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