Union of Utrecht

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History of the Low Countries
Frisii			Belgae
	Cana– nefates	Chamavi, Tubantes		Gallia Belgica (55 BC–c. 5th AD) Germania Inferior (83–c. 5th)
		Salian Franks		Batavi
unpopulated (4th–c. 5th)		Saxons	Salian Franks (4th–c. 5th)
Frisian Kingdom (c. 6th–734)			Frankish Kingdom (481–843)—Carolingian Empire (800–843)
		Austrasia (511–687)
Middle Francia (843–855)					West Francia (843–)
Kingdom of Lotharingia (855– 959) Duchy of Lower Lorraine (959–)
Frisia
Frisian Freedom (11–16th century)	County of Holland (880–1432)	Bishopric of Utrecht (695–1456)	Duchy of Brabant (1183–1430) Duchy of Guelders (1046–1543)		County of Flanders (862–1384)	County of Hainaut (1071–1432) County of Namur (981–1421)	P.-Bish. of Liège (980–1794)	Duchy of Luxem- bourg (1059–1443)
	Burgundian Netherlands (1384–1482)
	Habsburg Netherlands (1482–1795) (Seventeen Provinces after 1543)
Dutch Republic (1581–1795)				Spanish Netherlands (1556–1714)
				Austrian Netherlands (1714–1795)
				United States of Belgium (1790)			R. Liège (1789–'91)
Batavian Republic (1795–1806) Kingdom of Holland (1806–1810)				associated with French First Republic (1795–1804) part of First French Empire (1804–1815)
Princip. of the Netherlands (1813–1815)
Kingdom of the Netherlands (1815–1830)								Gr D. L. (1815–)
Kingdom of the Netherlands (1839–)				Kingdom of Belgium (1830–)
								Gr D. of Luxem- bourg (1890–)

The Union of Utrecht (Dutch: Unie van Utrecht) was a treaty signed on 23 January 1579 in Utrecht, Netherlands, unifying the northern provinces of the Netherlands, until then under the control of Habsburg Spain.