Title: Coat of arms of South Africa
Content:  The design process was initiated in 1999, the Department of Arts, Culture, Science and Technology requested ideas for the new coat-of-arms from the public. A brief was then prepared based on the ideas received, along with input from the Cabinet. The Government Communication and Information System then approached Design South Africa to brief ten of the top designers. Three designers were chosen to present their concepts to the Cabinet. Iaan Bekker's design was chosen. The new arms were introduced on Freedom Day, 27 April 2000. The change reflected the government's aim to highlight the democratic change in South Africa and a new sense of patriotism. The coat of arms is a series of elements organised in distinct symmetric egg-like or oval shapes placed on top of one another. The completed structure of the coat of arms combines the lower and higher oval shape in a 
Title: Police Superintendents' Association
Content:  In 2002 the association’s 50th anniversary was marked with a new heraldic coat of arms. This was presented on behalf of Her Majesty at the association’s national conference by the Lord Lieutenant for Cheshire Mr William Bromley Davenport.
Title: Coat of arms of Alberta
Content:  On 30 July 1980, Queen Elizabeth II augmented the armorial bearings by Royal Warrant with a crest, supporters, and a motto. The helmet under the crest was changed from a steel helmet to a gold royal helmet on 15 January 2008.
Title: Coat of arms of South Africa (1910–2000)
Content:  Following the end of apartheid in the 1990s, the new Constitution of South Africa stated that the state coat of arms would remain the same despite the flag and national anthem changing. Nevertheless the arms were still viewed as outdated as they had been created by the white British and Afrikaner minorities without input from the black majority. In 1999, the Department of Arts and Culture held a contest to design a new coat of arms. In 2000, the coat of arms was replaced on Freedom Day. Despite the replacement, the old coat of arms was still used for some official purposes after 2000, such as on some military rank insignia until 2002 and on South African passports (which were still issued with the old coat of arms on the cover) until 2007. This was attributed to the government's desire to use up old stocks of passports before issuing ones with the new design.
Title: Coat of arms of Ottawa
Content:  Engraver John Henry Walker designed an original coat of arms for Bytown and later one for the City of Ottawa in the 1850s. In 1954, the Duke of Norfolk, acting in his capacity as Earl Marshal, issued letters patent granting arms to the city of Ottawa. The city formally declared the use of the arms in force as of 1 January of the following year. Upon amalgamation of the city of Ottawa with surrounding municipalities in 2001, the new City Council requested that the arms be reissued to the newly formed municipality. In March of that year, the Canadian Heraldic Authority issued a new grant of arms. The new arms are exactly the same as the old.
Title: Coat of arms of Sydney
Content:  that of Lord Mayor in 1902, the first Lord Mayor, Thomas Hughes, suggested that the council apply for a grant of arms from the College of Arms in London. The heraldic designer William F. Ward submitted a new design, which included the ship, supporters and motto from the earlier version, but also included elements of the arms of Thomas Townshend and Captain Cook, as well as the crown, anchor and six-pointed star as a crest. The ship was now on a gold over blue background, symbolising the "Golden South". When the arms were approved by the heralds on 30 July 1908, the arms of Thomas 
Title: Coat of arms of Sofia
Content:  The coat of arms was created for the Paris Exposition Universelle in 1900 by a team of three noted Bulgarian artists and specialists – Haralampi Tachev, Ivan Mrkvička and Václav Dobruský, as the city was required by the executive committee to submit a symbol in order to take part. The then-Knyaz Ferdinand approved the coat of arms and it was sent to Paris. Changes were made to the original image of the coat of arms in the following years. The motto was first added in 1911 by Haralampi Tachev, who also gave it a final touch by adding a band with the motto and laurel twigs in 1928. A simplified version was suggested by Boris Angelushev in the 1940s, with Ivan Radoev adding a five-pointed star and additionally stylizing the coat of arms in 1974. The 1928 edition of Haralampi Tachev returned into official use after the democratic changes.
Title: Coat of arms of South Africa (1910–2000)
Content:  The coat of arms of South Africa between 1910 and 2000 was granted to the Union of South Africa by King George V and later amended by the British College of Arms. It contained representation of the four provinces within the Union. The coat of arms was later retained by the Republic of South Africa for a period until the end of apartheid in 1994. The 1910 coat of arms was replaced in 2000 by a more Africanised coat of arms of South Africa.
Title: Queenstown, Eastern Cape
Content:  The Queenstown municipal council assumed a pseudo-heraldic coat of arms in October 1902. The shield was quartered, and depicted (1) the Union Jack, (2) a landscape with hangklip mountain in the background, (3) a landscape with a mimosa tree in the foreground, and (4) a portrait of King Edward VII. The crest was a demi-antelope, and the motto Unity is strength. The council later assumed a new coat of arms. The new shield displayed a golden royal coronet on a red background. The crest was the same as before, but the motto was translated into Latin as Ex unitate vires.
Title: Coat of arms of New South Wales
Content:  The Coat of arms of New South Wales is the official coat of arms of the Australian state of New South Wales. It was granted by royal warrant of King Edward VII dated 11 October 1906.

Question: who unveiled the new coat of arms on 27 april 2000?
Answer: South Africa.