(in Ireland), National Historical Commission of the Philippines (in the Philippines), and the National Trusts of other countries. Other historical markers are created by local municipalities, non-profit organizations, companies, or individuals. In addition to geographically defined regions, individual organizations, such as E Clampus Vitus or the American Society of Mechanical Engineers, can choose to maintain a national set of historical markers that fit a certain theme. The Royal Society of Arts established the first scheme in the world for historical commemoration on plaques in 1866. The scheme was established under the influence of the British politician William Ewart and the civil servant Henry Cole. The first plaque was unveiled in 1867 to commemorate Lord Byron at his birthplace, 24 Holles Street, Cavendish Square. The earliest historical marker to survive, commemorates Napoleon III in King Street, St James's, and was also put up in 1867. The original plaque colour was blue, but this was changed by the manufacturer Minton, Hollins & Co to chocolate brown to save money. In 1901, the scheme was first taken over by the local government authority - the London County Council. Australia Halley Park plaque Heritage NSW - in April 2022 Heritage Minister, announced 17 Blue Plaques to celebrate NSW heritage by recognising noteworthy people and events from the state’s history. Inspired by the famous London Blue Plaques program run by English Heritage which originally started in 1866, and similar programs around the world,these plaques were selected from over 750 nominations received in November 2021 from community members, organisations and local councils. People and places recognised by the first batch of plaques to be erected include Bessie Robinson of Canowindra and Duke Kahanamoku and Camden Red Cross. Austria Bundesdenkmalamt Belgium Institut du Patrimoine wallon Canada National Historic Sites of Canada Index: National Historic Sites of Canada Chile National Monuments of Chile France Monument historique Plaque commémorative Germany Deutsche Stiftung Denkmalschutz Kulturdenkmal (National Heritage Sites) Hong Kong Declared monuments of Hong Kong List of Grade I historic buildings in Hong Kong List of Grade II historic buildings in Hong Kong List of Grade III historic buildings in Hong Kong Italy Fondo per l'Ambiente Italiano (National Trust of Italy) Netherlands Rijksmonument New Zealand New Zealand Historic Places Trust Philippines Historical markers (; Filipino: panandang pangkasaysayan) are cast-iron plaques installed all over the Philippines that commemorate people, places, personalities, structures, and events. They are installed by the National Historical