2012: London, UK, 23-26 August 2012

Theme: Crossing Boundaries: Translations and Migrations

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2010: Santiago de Compostela, Spain, 8-12 September 2010

Theme: the Strength of Minorities

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2008: Copenhagen, Denmark, 7-10 September 2008

Theme: Stories in History. History in Stories

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Theme: Children's Literature and Social Development

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2004: Cape Town, South Africa, 5-9 September

Theme:  Books for Africa

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IBBY events:

• Hans Christian Andersen Awards 2004
• IBBY-Asahi Reading Promotion Award 2004
• IBBY Honour List 2004

2002: Basel, Switzerland, 29 September-3 October

Theme: Children and Books - a Worldwide Challenge. 50 Years of IBBY

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2000: Cartagena de Indias, Colombia, 18-22 September

Theme: The New World for a New World. Children's Books for the New Millennium

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1998: New Delhi, India, 20-24 September

Theme: Peace through Children's Books

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1996, Groningen, Netherlands, 12-16 August

Theme: Telling the Tale

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1994, Seville, Spain, 11-15 October

Theme: Children's Books, a Place of Freedom

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1992, Berlin, Germany, 7-12 September

Theme: The World of Children in Children's Books – Children's Books in the World of Children

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1990, Williamsburg, USA, 2-7 September

Theme: Literacy through Literature: Children's Books Make a Difference

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1988, Oslo, Norway, 26-30 September

Theme: Children's Books in the New Media

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1986, Tokyo, Japan, 18-23 August

Theme: Why do you write for children? Children, why do you read?

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1984, Nicosia, Cyprus, 9-14 October

Theme: Children's Book Production and Distribution in Developing Countries

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1982, Cambridge, UK, 6-10 September

Theme: Story in the Child's Changing World

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1980, Prague, Czecho-Slovakia, 28 September - 3 October

Theme: Books and the Young Child

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1978, Würzburg, Germany, 23-28 October

Theme: Modern Realistic Stories for Children an Young People

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1976, Athens, Greece, 28 September - 2 October

Theme: How Can Children's Literature Meet the Needs of Modern Children: Fairy Tales and Poetry Today

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1974, Rio de Janeiro, Brasil, 21-25 October

Theme: The Book as an Instrument for Education and for the Human Development of Children and Young People

1972, Nice, France, 19-21 May

Theme: The Role of Reading in the Development of Children and Adolescents in our Changing Societies

1970, Bologna, Italy, 3-5 April

Theme: Young People in a Changing World

1968, Amriswil, Switzerland, 25-29 October

Theme: Mass Media and Youth

1966, Ljubljana, Yugoslavia, 28 September - 1 October

Theme: The Birth of Children's Book

1964, Madrid, Spain, 14-18 October

Theme: Literature for Children Since the Second World War

1963. Vienna, Austria, October

Theme: Children's Literature and International Understanding

1962. Hamburg, Germany, September

Theme: Children's Literature and the Developing Countries

1960. Luxemburg, September

Theme: Children's Books and the School - with Special Consideration of European Humanitarian Thinking

1958, Florence, Italy, May

Theme: Juventile Literature and Public Opinion

1956, Stockholm, Sweden, 13-15 September

Theme was not specified

1955, Vienna, Austria, September

Theme: Books and Illustrations

1953, The Foundation Congress of IBBY, Zurich, Switzerland, 1-4 October

Theme: Contemporary Problems and Children's Literature

1951-1952: Preliminary meetings took place 16-18 November 1951 in Munich and 3-4 October 1952 in Zurich

Theme: International Understanding through Children's Books