Dynastic union

Dynastic union

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A dynastic union is the combination by which two different states are governed by the same dynasty
Dynasty
A dynasty is a sequence of rulers considered members of the same family. Historians traditionally consider many sovereign states' history within a framework of successive dynasties, e.g., China, Ancient Egypt and the Persian Empire...

, while their boundaries, their laws and their interests remain distinct. It differs from a personal union
Personal union
A personal union is the combination by which two or more different states have the same monarch while their boundaries, their laws and their interests remain distinct. It should not be confused with a federation which is internationally considered a single state...

 in that a personal union is under a monarch, but not under a dynasty.

Union of Kingdom of Aragon and Kingdom of Navarre


With the assassination of Sancho IV
Sancho IV of Navarre
Sancho IV Garcés , called Sancho of Peñalén or Sancho the Noble, was King of Navarre from 1054 to 1076. He was the eldest son and heir of García Sánchez III and Estefanía....

, Navarre
Kingdom of Navarre
The Kingdom of Navarre , originally the Kingdom of Pamplona, was a European kingdom which occupied lands on either side of the Pyrenees alongside the Atlantic Ocean....

 was invaded by his cousins Alfonso VI of Castile
Alfonso VI of Castile
Alfonso VI , nicknamed the Brave or the Valiant, was King of León from 1065, King of Castile and de facto King of Galicia from 1072, and self-proclaimed "Emperor of all Spain". After the conquest of Toledo he was also self-proclaimed victoriosissimo rege in Toleto, et in Hispania et Gallecia...

 and Sancho V Ramirez of Aragon, and the latter made king in 1076, leading to more than half-a-century (1076–1134) of Aragonese control.

Union of Kingdom of Aragon and County of Barcelona


Marriage of Count of Barcelona Raymond Berengar IV of Barcelona and future Queen of Aragon Petronila of Aragon
Petronila of Aragon
Petronilla of Aragon , whose name is also spelled Petronila or Petronella , was Queen regnant of Aragon from 1137 until 1164. She was the daughter and successor of Ramiro II by Agnes of Aquitaine...

 in 1137 that formed the Crown of Aragon
Crown of Aragon
The Crown of Aragon Corona d'Aragón Corona d'Aragó Corona Aragonum controlling a large portion of the present-day eastern Spain and southeastern France, as well as some of the major islands and mainland possessions stretching across the Mediterranean as far as Greece...

.

Union of Crown of Castile and Crown of Aragon


Marriage of Isabella I of Castile
Isabella I of Castile
Isabella I was Queen of Castile and León. She and her husband Ferdinand II of Aragon brought stability to both kingdoms that became the basis for the unification of Spain. Later the two laid the foundations for the political unification of Spain under their grandson, Charles V, Holy Roman Emperor...

 and Ferdinand II of Aragon
Ferdinand II of Aragon
Ferdinand the Catholic was King of Aragon , Sicily , Naples , Valencia, Sardinia, and Navarre, Count of Barcelona, jure uxoris King of Castile and then regent of that country also from 1508 to his death, in the name of...

 on 1469 that laid the foundations for the kingdom of Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

. They didn't ascend to their respective thrones until 1474 and 1479 respectively.

Union of Kingdom of Spain and Kingdom of Portugal


Dynastic union between Spain (the union between the Crowns of Castile and Aragon) and Portugal
Portugal
Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 (1580–1640), generally called the Iberian Union
Iberian Union
The Iberian union was a political unit that governed all of the Iberian Peninsula south of the Pyrenees from 1580–1640, through a dynastic union between the monarchies of Portugal and Spain after the War of the Portuguese Succession...

, under the Philippine Dynasty
Philippine Dynasty
The Portuguese House of Habsburg, commonly known as the Philippine Dynasty, is the third royal dynasty of Portugal. It was named after the three Spanish kings who ruled Portugal between 1580 and 1640 in a dynastic union of the two crowns...

.

Union of Grand Duchy of Lithuania and Kingdom of Poland


Marriage of Jogaila
Jogaila
Jogaila, later 'He is known under a number of names: ; ; . See also: Jogaila : names and titles. was Grand Duke of Lithuania , king consort of Kingdom of Poland , and sole King of Poland . He ruled in Lithuania from 1377, at first with his uncle Kęstutis...

 and Queen Jadwiga of Poland
Jadwiga of Poland
Jadwiga was monarch of Poland from 1384 to her death. Her official title was 'king' rather than 'queen', reflecting that she was a sovereign in her own right and not merely a royal consort. She was a member of the Capetian House of Anjou, the daughter of King Louis I of Hungary and Elizabeth of...

 on 1385, generally called the Union of Krewo
Union of Krewo
In a strict sense, the Union of Krewo or Act of Krėva was a set of prenuptial promises made in the Kreva Castle on 14 August 1385 by Jogaila, Grand Duke of Lithuania, in exchange for marriage to the underage reigning Queen Jadwiga of Poland...

. That union laid the foundations for the eventual formation of the Polish–Lithuanian Commonwealth.

Union of Kingdom of England and Kingdom of Scotland


When Elizabeth I of England
Elizabeth I of England
Elizabeth I was queen regnant of England and Ireland from 17 November 1558 until her death. Sometimes called The Virgin Queen, Gloriana, or Good Queen Bess, Elizabeth was the fifth and last monarch of the Tudor dynasty...

 died in 1603, the heir to the English Throne was King James VI
James I of England
James VI and I was King of Scots as James VI from 24 July 1567 and King of England and Ireland as James I from the union of the English and Scottish crowns on 24 March 1603...

 of Scotland. Generally called the Union of the Crowns
Union of the Crowns
The Union of the Crowns was the accession of James VI, King of Scots, to the throne of England, and the consequential unification of Scotland and England under one monarch. The Union of Crowns followed the death of James' unmarried and childless first cousin twice removed, Queen Elizabeth I of...

, this dynastic union was in place from 1603 until 1653 (when the monarchy was officially abolished
The Protectorate
In British history, the Protectorate was the period 1653–1659 during which the Commonwealth of England was governed by a Lord Protector.-Background:...

) and again from 1659 until the two nations were united in 1707.