The General Art and Industrial Exposition, an international exhibition of World's Fair status, was held on the island of Djurgården in 1897. 20th century In the late 20th century, Stockholm became a modern, technologically advanced and ethnically diverse city. Throughout the century, many industries shifted away from work-intensive activities into more high-technology and service-industry knowledge-based areas. The city continued to expand and new districts were created, some with high proportions of immigrants. Meanwhile, the inner city (Norrmalm) went through a criticised as well as an admired wave of modernisation in the post-war period, the Redevelopment of Norrmalm, securing the city's geographical center as the political and business center for the future. In 1923 the Stockholm municipal government moved to a new building, the Stockholm City Hall. The Stockholm International Exhibition was held in 1930. In 1967 the city of Stockholm was integrated into Stockholm County. See also Timeline of Stockholm history Gamla stan History of Sweden History of Uppland Notes References (Göran Dahlbäck pp 17–72, Robert Sandberg pp 75–184, Eva Eggeby and Klas Nyberg pp 187–276.) Further reading Åberg, Veijo. "Conspiracy or political purge? The Stockholm trial of 1536." Scandinavian Journal of History 21.4 (1996): 315–330. Anton, Thomas Julius. Governing Greater Stockholm: A study of policy development and system change (Univ of California Press, 1975). De Geer, Sten. "Greater Stockholm: a geographical interpretation." Geographical Review 13.4 (1923): 497–506. online Emanuel, Martin. "Constructing the Cyclist Ideology and Representations in Urban Traffic Planning in Stockholm, 1930–70." Journal of Transport History 33.1 (2012): 67–91. online Gullberg, Anders, and Arne Kaijser. "City-building regimes in post-war Stockholm." Journal of Urban Technology 11.2 (2004): 13–39. Hurd, Madeleine. "Education, Morality, and the Politics of Class in Hamburg and Stockholm, 1870-1914." Journal of Contemporary History 31.4 (1996): 619–650. Jarrick, Arne. Back to Modern Reason: Johan Hjerpe and other petit bourgeois in Stockholm in the Age of Enlightenment (Oxford University Press, 1999). Kolbe, Laura. "Symbols of civic pride, national history or European tradition? City halls in Scandinavian capital cities." Urban History 35.3 (2008): 382–413, covers Copenhagen, Stockholm, and Oslo. Meynell, Hildamarie. "The Stockholm conference of 1917." International Review of Social History 5.1 (1960): 1-25; international peace conference for socialists. Müller, Leos. "“Merchants” and “Gentlemen” in Eighteenth-Century Sweden." in The Self-Perception of Early Modern Capitalists (Palgrave Macmillan, New York, 2008) pp. 125-146. Müller, Leos. "The Swedish East India trade and international markets: Re-exports of teas, 1731–1813." Scandinavian Economic History Review