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Posthumous portrait of Queen Isabella I of Castile.

Queen Isabella of Castile: Drama, Inquisition, and Exploration

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Isabella I was a Queen of Castile and León who lived between the middle of the 15th and the beginning of the 16th centuries. Her reign is notable for a number of important events, including the completion of the Reconquista, the establishment of the Spanish Inquisition , and Christopher Columbus’s 1492 voyage , which the monarch supported and financed.

Battle for the Throne

Isabella I was born in 1451. Her father was John of Castile, and her mother Isabella of Portugal. When her father died in 1454, Isabella’s half-brother, Henry IV, became the new king of Castile. Henry designated his daughter, Joanna, as his heir, though he was forced by the nobles to revoke this and accepted Alfonso, Isabella’s younger brother, as heir instead.

The young prince, however, died in 1468 of suspected poisoning or as a victim of the plague. Isabella was named by Alfonso as his successor, and the nobles - opposing Henry - offered her the crown, which she refused. The pressure mounted on Henry by the nobles, however, forced the king to compromise by naming his half-sister as his heiress.

Isabella I of Castile, depicted in the painting Virgen de la mosca at The Collegiate church of Santa María la Mayor

Isabella I of Castile , depicted in the painting Virgen de la mosca at The Collegiate church of Santa María la Mayor (Church of Saint Mary the Great). ( Public Domain )

In 1469, Isabella married Ferdinand , who would become the King of Aragon, a union which would later serve to unify Spain physically and spiritually. This marriage would also create the basis for the political unification of Spain under Charles V, one of their grandsons. As the marriage occurred without the king’s consent, however, Isabella’s recognition as heiress to the throne of Castile was withdrawn by Henry, and Joanna was once more named as the Henry’s successor.

The wedding portrait of Ferdinand and Isabella, c. 1469.

The wedding portrait of Ferdinand and Isabella, c. 1469. ( Public Domain )

In 1474, Henry died and a civil war between Isabella and Joanna ensued. Isabella emerged victorious in 1479, and was recognized as the new Queen of Castile.

Strengthening Her Position as Queen – The Inquisition

The reign of Henry had shown that a noble class with too much power in their hands was a threat to the monarchy. Therefore, one of the first steps taken by Isabella and Ferdinand to secure the throne was the initiation of reforms that served to increase the power of the monarchy and reduce the power of the nobles.

Apart from curbing the influence of the nobility, the new monarchs also saw religious conformity as a means to strengthen their position. At this point of time, Spain was home not only to Christians, but also to significant communities of Jews and Muslims.

Isabella and Ferdinand perceived these non-Christians as threats to their Christian kingdom and sought to do something about it. In 1480, the Spanish Inquisition was established. This was aimed at Jews and Muslims who had converted to Christianity, but were suspected of practicing their former faiths secretly. By rooting such individuals out, the Inquisition sought to “purify” the faith and the kingdom from potentially treacherous elements.

Isabella I. of Castile, Queen of Castile and León, with her husband Ferdinand II of Aragon.

Isabella I. of Castile, Queen of Castile and León, with her husband Ferdinand II of Aragon. ( Public Domain )

The Queen’s External Enemies and a Voyage to the ‘New World’

Apart from internal enemies, Isabella and Ferdinand also dealt with external ones. The Reconquista, which had been going on since the 8th century, was concluded during their reign . By the 15th century, the only remaining Muslim state in Iberia was the Emirate of Granada in the southern part of the peninsula. In 1492, Granada fell to Isabella and Ferdinand’s forces.

It was also during that year that the Alhambra Decree (known also as the Edict of Expulsion) was issued by Isabella and Ferdinand. The decree impacted the kingdom’s Jewish population, who were given the choice either to convert to Christianity or to leave.

Another significant event in that year was Christopher Columbus’s first voyage to the New World. The Genoese explorer had successfully convinced Isabella and Ferdinand to sponsor his voyage of discovery. This would later lead to Spanish dominance in South America.

Columbus Before the Queen (1843) by Emanuel Leutze.

Columbus Before the Queen (1843) by Emanuel Leutze. ( Public Domain )

All Reigns Must End Eventually, Even the Rule of Queen Isabella

Isabella and Ferdinand’s efforts to purify the Christian faith in their lands were recognized by Pope Alexander VI and they were granted the title of ‘ Catholic Monarchs .’ Queen Isabella’s legacy suggests the monarch had little qualms with making war and fighting for the things she believed in, regardless whether those actions would be seen in a positive or negative light by the future.

Isabella died on the November 26, 1504. Her remains were later entombed in the Royal Chapel of Granada. Her daughter, Joanna, became the new queen , while Ferdinand served as regent until his death 12 years later. Joanna’s religious views were much more tempered than those of her parents and her mental state was even called into question by her own father as Ferdinand fought for sole rule and imprisoned his own daughter to fulfill his goals.

Isabella and Ferdinand with their daughter, Joanna, c. 1482.

Isabella and Ferdinand with their daughter, Joanna, c. 1482. ( Public Domain )

Top image: Posthumous portrait of Queen Isabella I of Castile. Source: Public Domain

By Wu Mingren

References

ao, 2016. Isabella I of Castile: The Queen that Sponsored Columbus. [Online]
Available at: http://historythings.com/queen-isabella-castile-queen-sponsored-columbus/

Cavendish, R., 2004. Death of Isabella I of Castile. [Online]
Available at: http://www.historytoday.com/richard-cavendish/death-isabella-i-castile

Knight, K., 2012. Isabella I. [Online]
Available at: http://www.newadvent.org/cathen/08177a.htm

Lewis, J. J., 2017. Queen Isabella I of Spain. [Online]
Available at: https://www.thoughtco.com/queen-isabella-i-of-spain-biography-3525250

MedievalQueens.com, 2015. Isabella of Castile. [Online]
Available at: http://www.medievalqueens.com/queen-isabella-of-castile.htm

U.S. Library of Congress, 2017. Ferdinand and Isabella. [Online]
Available at: http://countrystudies.us/spain/7.htm

Comments

Fascinating article and well-written.  I’m a descendent of Jews who were forced to leave Spain/Portugal during the Spanish Inquisition.  My family moved to Holland and some of them still live there.  When you know your geneology, you feel connected to history in a way that’s almost impossible to describe.  Thank you for this writing this article.

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