paragraph_text: Margaret Morris (1891 in Kensington, London, England – 29 February 1980 in Glasgow, Scotland) was a British dancer, choreographer and teacher. She was the first proponent of the Isadora Duncan technique in Great Britain. She founded the Margaret Morris Movement, Celtic Ballet, and two Scottish National Ballets in Glasgow (1947) and in Pitlochry (1960). Morris devised a system of movement notation, which was first published in 1928.

paragraph_text: In 2006, the Yankees began building a new $2.3 billion stadium in public parkland adjacent to the stadium. The price included $1.2 billion in public subsidies. The design includes a replica of the frieze along the roof that was in Yankee Stadium. Monument Park, a Hall of Fame for prominent former Yankees, was relocated to the new stadium. Yankee Stadium closed following the 2008 baseball season and the new stadium opened in 2009, adopting the ``Yankee Stadium ''moniker. The original Yankee Stadium was demolished in 2010, two years after it closed, and the 8 - acre site was converted into a park called Heritage Field. The new Yankee stadium opened in 2009 and is currently used by the NY Yankees.

paragraph_text: The building housed the department store Derry and Toms until 1973, and then Biba until 1975. Since the 1980s the garden has been used as a restaurant and club.

paragraph_text: Harry Vardon holds the record for the most Open Championship victories, winning six times during his career. The oldest winner of the Open Championship is Tom Morris Sr. (or Old Tom Morris) who was 46 years and 102 days old when he won in 1867. His son, Tom Morris Jr., is the youngest winner of the championship, he was 17 years and 156 days old when he won the 1868 Open Championship. He also won the most consecutive times with four victories (1868 -- 72). Henrik Stenson holds the dual distinction of being both the most strokes under par for 72 holes (− 20) and also recording the lowest total score (264) when he won in 2016.

paragraph_text: The Ballarat Botanical Gardens Reserve, located on the western shore of picturesque Lake Wendouree, in Ballarat, Victoria, Australia, covers an area of 40 hectares which is divided into three distinct zones. The central Botanical Gardens reserve in the 'gardenesque' style of the Victorian pleasure garden. On either side there are open parkland buffers known as the North and South Gardens. The Gardens celebrated its sesquicentenary (150 years old) in 2007.

paragraph_text: Way Four is a public art work by artist Bernard Kirschenbaum at the Lynden Sculpture Garden near Milwaukee, Wisconsin. The stainless steel sculpture is an open circle that creates an orbit for two triangles; it is installed on the lawn.

paragraph_text: Apocryphally, the reference was first used on May 4, 1979, the day Margaret Thatcher took office as Prime Minister of the United Kingdom. An online news article from the Danish public broadcaster says her political party, the Conservatives, placed a congratulatory advertisement in The London Evening News, saying ``May the Fourth Be with You, Maggie. Congratulations. ''

paragraph_text: Highline Botanical Garden is a community botanical garden located at 13735 24th Avenue South, SeaTac, Washington. It is open daily without charge.

paragraph_text: Another important library – the University Library, founded in 1816, is home to over two million items. The building was designed by architects Marek Budzyński and Zbigniew Badowski and opened on 15 December 1999. It is surrounded by green. The University Library garden, designed by Irena Bajerska, was opened on 12 June 2002. It is one of the largest and most beautiful roof gardens in Europe with an area of more than 10,000 m2 (107,639.10 sq ft), and plants covering 5,111 m2 (55,014.35 sq ft). As the university garden it is open to the public every day.

paragraph_text: The Cleveland Botanical Garden, located in the University Circle neighborhood of Cleveland, Ohio, in the United States, was founded in 1930 as the Garden Center of Greater Cleveland. It was the first such organization in an American city. Originally housed in a converted boathouse on Wade Park Lagoon, the center served as a horticultural library, offering classes and workshops for gardeners and spearheading beautification projects in the community. In 1966, having outgrown its original home, the Garden Center moved to its present location in University Circle, the site of the old Cleveland Zoo. Remnants of the old bear pit still remain in the Ohio Woodland Garden. In 1994, the organization's Board of Trustees changed the name to Cleveland Botanical Garden to reflect a dramatically expanded mission and launched an ambitious capital campaign to develop a facility that would support the enhanced program agenda. The expanded and renovated building, designed by Graham Gund Architects of Cambridge, Massachusetts, opened to the public in July 2003.

paragraph_text: The National Orchid Garden, located within the Singapore Botanic Gardens, was opened on 20 October 1995 by Singapore's Minister Mentor Lee Kuan Yew.

paragraph_text: The museum operates from two sites within London. The main site in Covent Garden uses the name of its parent institution, sometimes suffixed by "Covent Garden", and is open to the public every day, having reopened in 2007 after a two-year refurbishment. The other site, located in Acton, is known as the London Transport Museum Depot and is principally a storage site that is open on regular visitor days throughout the year.

paragraph_text: Garvan Woodland Gardens is a 210-acre (850,000 m²) botanical garden located at 550 Arkridge Road, approximately 6 miles from Hot Springs National Park in Hot Springs, Arkansas, United States. Owned by the University of Arkansas, it has the stated mission of education, research and public service. For an admission fee, it is open daily, except on Thanksgiving Day, Christmas Day and the month of January.

paragraph_text: Presby Memorial Iris Gardens is a nonprofit, volunteer-run living museum specializing in iris flowers, located at 474 Upper Mountain Avenue, Montclair in Essex County, New Jersey, New Jersey, United States. The gardens are situated on 6.5 acres. Adjacent to the gardens is a Victorian house, the Walther House. The house is open to the public and is home to a museum shop and headquarters for the Citizens Committee that oversees the gardens.

paragraph_text: The 1867 Open Championship was the eighth Open Championship and was held on 26 September at Prestwick Golf Club. Tom Morris, Sr. won the championship for the fourth time, by two shots from Willie Park, Sr. Tom Morris, Sr. was 46 years old and remains the oldest Open Championship winner.

paragraph_text: The Jardin botanique de Sedan is a botanical garden and city park located on Philippoteaux Avenue beside the Place d'Alsace-Lorraine, Sedan, Ardennes, Champagne-Ardenne, France. It is open daily without charge.

paragraph_text: Mehan Garden is an open space in Manila, Philippines. It was established in 1858 by the Spanish colonial authorities as a botanical garden, called the "Jardín Botánico", outside the walled city.

paragraph_text: Second of the seven recorded sons of Margaret Catherine Biggar and William Garden Blaikie, minister of Pilrig Free Church, Walter Biggar Blaikie was educated at Edinburgh Academy and the University of Edinburgh.

paragraph_text: Dallam Tower is a grade I listed country house in Beetham parish, near Milnthorpe, South Lakeland, Cumbria, England. It is a member of the Historic Houses Association but is not open to the public except for occasional charity events, visits to the garden through the National Gardens Scheme, and as a wedding venue.

paragraph_text: Elven C. Smith House is a historic home located at Williamson, Mingo County, West Virginia. It was built in 1938, in a Neo-Classical Revival / Georgian Revival style. It is a red brick building with a hipped roof and features a two-story, flat roofed portico supported by fluted columns. Also on the property is a stone retaining wall and monumental stairway in the landscaped gardens.

Question: When did the roof gardens above the neighborhood where Margaret Morris was born open to the public?
Answer: 1980s