Berlin Tegel Airport core of the new technology park, with up to 2,500 students. It is envisaged that the adjoining areas will be used both for research and development and for manufacturing companies. Berlin TXL will also make an 80 hectares area available for industrial uses – the largest single inner-city development area in Berlin. The area of today's airport originally was part of Jungfernheide forest, which served as a hunting ground for the Prussian nobility. During the 19th century, it was used as an artillery firing range. Aviation history dates back to the early 20th century, when the Prussian airship battalion was
Billy Bishop Toronto City Airport time, the island airport site was to become the site of the "Harbor City" residential development, although a replacement for the island airport had not been agreed upon. A 1969 proposal to build a new airport by the new headland was met with opposition from local residents and Toronto City Councillors and was dropped. With plans uncertain, the Government of Canada requested that the Harbour Commission continue to operate the airport as is in the interim. In 1972, the "Harbor City" project died when the governments of Canada and Ontario proposed to build a new major airport in Pickering, Ontario.