Question: Which nature reserve was established in 1969, Monfragüe or Doñana National Park?
Context: The Baikal Nature Reserve ( ; Russian: Байка́льский запове́дник , "Baikalski Zapovednik") is a nature reserve on the southeast shore of Lake Baikal, in southern Buryatia, Russia.  Also called Baikal Zapovednik, it was established in 1969 for preserving the nature along the lake and the neighboring central part of the Chamar-Daban Range.  The area of this nature reserve is 165,700 ha .  It hosts dark pine taiga (silver fir, cedar, spruce), thin forests, Siberian Dwarf Pine and rhododendron underbrush, subalpine meadows, and alpine tundras.  The Baikal Nature Reserve is home to 812 kinds of plants, 49 types of mammals, 272 birds, 3 reptiles, 3 amphibians, and 7 types of fish.  The reserve is also home to East Siberian brown bear, Baikal lynx, wolverine, otter, osprey, and golden eagle.  The Baikal Nature Reserve is part of the World Network of Biosphere Reserves (also see "List of biosphere reserves in the Russian Federation").  The reserve is also a part of the Lake Baikal World Heritage Site.  The Kabansky Nature Zakaznik, across , was transferred under the jurisdiction of the Baikal Nature Reserve in 1985. The Kangaroo River Nature Reserve, part of the Kangaroo Valley Group of Nature Reserves, is a protected nature reserve that is located on the floor of the Kangaroo Valley in the Southern Highlands and South Coast regions of New South Wales in eastern Australia.  The reserve is situated approximately 150 km south of Sydney, 50 km southwest of Wollongong and 16 km northwest of Nowra .  The reserve has a protective covenant placed upon it with purpose to ensure the protection of the natural heritage of this area.  National parks in the area include the Morton National Park and the Budderoo National Park.  Other nature reserves in the area include the Barren Grounds Nature Reserve, and the Cambewarra Range, Barrengarry and Rodway nature reservesthe latter three part of the Kangaroo Valley Group of Nature Reserves. The Doñana Disaster, also known as the Aznalcollar Disaster or Guadiamar Disaster (Sp: "Desastre de Aznalcóllar", "Desastre del Guadiamar"), was an industrial accident in Andalusia, southern Spain.  On 25 April 1998, a holding dam burst at the Los Frailes mine, near Aznalcóllar, Seville Province, releasing 4–5 million cubic metres of mine tailings.  The acidic tailings, which contained dangerous levels of several heavy metals, quickly reached the nearby River Agrio, and then its affluent the River Guadiamar, travelling about 40 kilometres along these waterways before they could be stopped.  The Guadiamar is the main water source for the Doñana National Park, a UNESCO World Heritage Site and one of the largest national parks in Europe.  The cleanup operation took three years, at an estimated cost of €240 million. Mauricio González-Gordon y Díez, Marquis of Bonanza (18 October 1923 – 27 September 2013) was a Spanish sherry maker and a conservationist.  Most of his life he worked for the family company, González Byass, where he increased its exports to a worldwide level.  His family estate was located in the wetland region called Doñana in southern Spain and was threatened by drainage efforts in the early 1950s.  González-Gordon with the help of researchers and international support managed to preserve the site, while at the same time donating some of his family land to the conservation effort.  Afterward, González-Gordon became one of the founders of the Spanish Ornithological Society in 1954.  His conservation efforts for Doñana culminated in the creation of the Doñana National Park in 1969.  The area was designated a UNESCO World Heritage Site in 1994. The Retuertas horse, Spanish: Caballo de las Retuertas or Caballo de las Retuertas de Doñana , is a rare breed of horse indigenous to the Andalusia region of Spain.  It is said to closely resemble the ancient Iberian horses that populated Spain before being domesticated.  It is now found only in the Doñana National Park in the provinces of Huelva and Sevilla, and in The Biological Reserve "Campanarios de Azaba" in Espeja (Salamanca province) a part of which is the research reserve of the Consejo Superior de Investigaciones Científicas, the Spanish National Research Council.  According to a genetic study by the CSIC, the Retuertas horse is one of the oldest European breeds., dating to 3000 years BP, and the only one living in the wild and isolated from other populations. The Marisma de Hinojos is a salt marsh about 50 km north of the city of Cadiz, It is in the province of Huelva, in the autonomous region of Andalusia, Spain.  "Marisma de Hinojos" means "salt marsh of Hinojos", being Hinojos a town which name means "fennel plants".  It lies within Doñana National Park (Parque Nacional de Doñana) on the Costa de la Luz. Pù Luông Nature Reserve is a nature reserve in northern Vietnam.  This nature reserve is situated in Quan Hóa and Bá Thước districts of Thanh Hóa Province, North Central Coast region of Vietnam.  Pu Luong Nature Reserve is bordered by Mai Châu, Tân Lạc and Lạc Sơn districts of Hòa Bình Province.  The reserve is located along two parallel mountain ridges, that run from north-west to south-east, and are divided by a central valley, which contains several human settlements and a large agricultural land area, therefore, is not included within the nature reserve.  Pù Luông is endowed with great biodiversity, its flora and fauna is closely associated with the Cúc Phương National Park 25 km south-east. Foping Nature Reserve () in Shaanxi Province, China, is a nature reserve and national park situated in the Qinling Mountains.  The Nature Reserve covers 350 km2 and is under the leadership of the Ministry of Forestry.  Foping Nature Reserve is girdled by other protected areas: It is bordered in the east by the Long-caoping Forest Farm; in the west it is flanked by the Changqing Nature Reserve; Zhouzhi Nature Reserve, the stronghold of the Golden Monkey, and Laoxiancheng Nature Reserve are situated to the north.  The Foping Reserve covers 29,240 ha of rugged mountain terrain and is home to a stable panda population.  Elevations range from 1,080 to 2,094 m with warm summers and cold winters.  950–1,200 mm of rain falls mostly from July to September, with snow at higher elevations.  Forested lands dominate the reserve with a mix of conifers and broadleaf deciduous trees. Doñana National Park is a natural reserve in Andalusia, southern Spain, in the provinces of Huelva (most of its territory) and Seville.  It covers 543 km² , of which 135 km² are a protected area.  The park is an area of marshes, shallow streams, and sand dunes in Las Marismas, the delta where the Guadalquivir River flows into the Atlantic Ocean.  It was established as a nature reserve in 1969 when the World Wildlife Fund joined with the Spanish government and purchased a section of marshes to protect it.  The eco-system has been under constant threat by the draining of the marshes, the use of river water to boost agricultural production by irrigating land along the coast, water pollution by upriver mining, and the expansion of tourist facilities.  It is named after wife of the seventh Duke of Medina-Sidonia. Monfragüe (Spanish: "Parque Nacional Monfragüe") is a Spanish national park noted for its bird-life.  It is situated in the center of a triangle formed by Plasencia, Trujillo and the city of Cáceres within the province of Cáceres.  Monfragüe is also a comarca (county, with no administrative role) of Extremadura, western Spain.
Answer: Doñana National Park