Question: What Zoological Garden was opened two years before the Manchester Zoological Gardens opened in 1838?

Context articles: Garden, Karachi
Manchester Zoological Gardens
Wrocław Zoo
History of Edinburgh Zoo
Zoo Miami
Naypyidaw Zoological Gardens
Belle Vue Zoological Gardens
National Zoological Gardens of Sri Lanka
Tigers, London Zoological Gardens
Nawab Wajid Ali Shah Zoological Garden

Garden (Urdu: گارڈ ن ‎ ) is one of the neighbourhoods of Saddar Town in Karachi, Sindh, Pakistan.
 It is the residential area around the Karachi Zoological Gardens.
 This area surrounds the Karachi Zoological Gardens.
 Hence it is popularly known as 'Garden' area.
The Manchester Zoological Gardens opened in 1838, on a 15 acre site between Broom Lane and Northumberland Street in Broughton, now in Salford, England.
 Attractions included a Grand Menagerie, a lake, a maze, an archery ground, and a series of landscaped walks.
 The gardens were laid out by a company of local business men, on land rented from the Rev. John Clowes of Broughton Hall, who had become interested in botany and horticulture in later life.
 The gardens competed with John Jennison's Belle Vue Zoological Gardens opened three years earlier, but the venture was commercially unsuccessful and closed in 1842.
 Some of the animals were acquired by the Belle Vue Zoo, others went to London Zoo and to Hampton Court.
The Wrocław Zoological Garden, known simply as the Wrocław Zoo (Polish: "Ogród Zoologiczny we Wrocławiu" ), is a zoo on Wróblewskiego Street in Wrocław, Poland.
 It is the oldest zoo in Poland, having been opened in 1865 as the Breslau Zoological Garden while the city was part of Prussia.
 It is also the largest (in terms of the number of animals) zoo in Poland.
 The zoo covers 33 ha in downtown Wrocław.
 It is home to about 10,500 animals representing about 1,132 species (in terms of the number of animal species it is the third largest in the world).
Edinburgh Zoo is a zoological park in Edinburgh, Scotland which opened on 22 July 1913.
 Edinburgh had previously been home to a zoological garden which failed to thrive.
 The new zoo is owned and run by the Royal Zoological Society of Scotland and initially opened as the Scottish National Zoological Park.
 Modern zoological methods allowed animals to survive in Edinburgh's cold climate.
The Miami-Dade Zoological Park and Gardens, also known as Zoo Miami, is a zoological park and garden near Miami, and the largest and oldest zoological garden in Florida.
 Originally established in 1948 at Crandon Park in Key Biscayne, Zoo Miami relocated in 1980 as Miami MetroZoo to the former location of the Richmond Naval Air Station, southwest of Miami in southern metropolitan Miami-Dade County, in the center of the census-designated places of Three Lakes (north), South Miami Heights (south), Palmetto Estates (east) and Richmond West (west).
The Naypyidaw Zoological Gardens (Burmese: နေပြည်တော် တိရိစ္ဆာန် ဥယျာဉ် , ] ) located in Naypyidaw is the largest zoo in South East Asia.
 Located on the Yangon-Mandalay highway about 250 miles (400 km) north of Yangon, the 612-acre (247-hectare) zoo opened its doors on Myanmar's Armed Forces Day (27 March) in 2008 with about 420 animals trucked in from the Yangon Zoological Gardens.
Belle Vue Zoological Gardens was a large zoo, amusement park, exhibition hall complex and speedway stadium in Belle Vue, Manchester, England, opened in 1836.
 The brainchild of John Jennison, the gardens were initially intended to be an entertainment for the genteel middle classes, with formal gardens and dancing on open-air platforms during the summer, but they soon became one of the most popular attractions in Northern England.
 Before moving to Belle Vue, Jennison, a part-time gardener, had run a small aviary at his home, the beginnings of the zoo that over the years grew to become the third-largest in the United Kingdom.
National Zoological Gardens of Sri Lanka (also called Colombo Zoo or Dehiwala Zoo) is a zoological garden in Dehiwala, Sri Lanka, founded in 1936.
 Its sprawling areas are host to a variety of animals and birds.
 The zoo exhibits animals but also places an emphasis on animal conservation and welfare, and education.
Tigers, London Zoological Gardens (French: "Tigres, Jardin zoologique, Londres" ) is a 1896 French short black-and-white silent actuality film, produced by Auguste and Louis Lumière and directed by Alexandre Promio, featuring two tigers reaching through the bars of its enclosure at London Zoological Gardens to get at the meat offered on a stick by their keeper.
 The film was part of a series, including "Lion" and "Pelicans", which were one of the earliest examples of animal life on film.
Nawab Wazid Ali Shah Prani Udyan earlier known as Prince of Wales Zoological Gardens or popularly known as Lucknow Zoological Garden (Hindi: लखनऊ चिड़ियाघर, Urdu: لکھنؤ چڑیاگھر "Lakhnaū Ciṛiyāghara") is a 71.6 acre zoo located in the heart of the capital city of Uttar Pradesh.
 The Central Zoo Authority of India categorizes it as a large zoo.
 The Prince of Wales Zoological Gardens, was established in the year 1921 to commemorate the visit of His Royal Highness, the Prince of Wales to Lucknow.
 The idea of establishing Zoological gardens at Lucknow emanated from Sir Harcourt Butler, the Governor of the State.