Mariana of Austria

Mariana of Austria
Portrait of Mariana of Austria by Diego Velázquez, 1652–53
Queen consort of Spain
Tenure	7 October 1649 – 17 September 1665
Queen regent of Spain
Regency	17 September 1665 – 6 November 1675
Monarch	Charles II
Born	(1634-12-24)24 December 1634 Wiener Neustadt, Archduchy of Austria, Holy Roman Empire
Died	16 May 1696(1696-05-16) (aged 61) Palace of the Councils, Madrid, Crown of Castile
Burial	El Escorial
Spouse	Philip IV, King of Spain ​ ​ (m. 1649; died 1665)​
Issue	Margaret Theresa, Holy Roman Empress Philip Prospero, Prince of Asturias Charles II, King of Spain
Names Maria Anna
House	Habsburg
Father	Ferdinand III, Holy Roman Emperor
Mother	Maria Anna of Spain
Signature

Mariana or Maria Anna of Austria,^[a] (24 December 1634 – 16 May 1696), was Queen of Spain from 1649, when she married her uncle Philip IV of Spain, until his death in 1665. She was then appointed regent for their three-year-old son Charles II, and due to his ill health remained an influential figure until she died in 1696.

Her regency was overshadowed by Spain's post-1648 decline and internal political divisions, combined with a general European economic crisis during the latter half of the 17th century. The inability of her son Charles II of Spain to produce an heir led to constant manoeuvring by other European powers, which ultimately ended in the 1701 to 1714 War of the Spanish Succession.

The Mariana Islands chain in the northwest Pacific Ocean, and the associated Mariana Trench, are named after her.
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