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First UN Congress on the Prevention of Crime and Treatment of Offenders - Geneva, Switzerland 22 August - 3 September 1955
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Second UN Congress on the Prevention of Crime and Treatment of Offenders - London, England 8 - 19 August 1960
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Third UN Congress on the Prevention of Crime and Treatment of Offenders - Stockholm, Sweden 9 - 18 August 1965
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Fourth UN Congress on the Prevention of Crime and Treatment of Offenders - Kyoto, Japan 17 - 26 August 1970
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Fifth UN Congress on the Prevention of Crime and Treatment of Offenders - Geneva, Switzerland 1 - 12 September 1975
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Sixth UN Congress on the Prevention of Crime and Treatment of Offenders - Caracas, Venezuela 25 August - 5 September 1980
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Seventh UN Congress on the Prevention of Crime and Treatment of Offenders - Milan, Italy 26 August - 6 September 1985
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Eighth UN Congress on the Prevention of Crime and Treatment of Offenders - Havana, Cuba 27 August - 7 September 1990
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Ninth UN Congress on the Prevention of Crime and Treatment of Offenders, - Cairo, Egypt 28 April - 5 May 1995
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Tenth UN Congress on the Prevention of Crime and Treatment of Offenders, - Vienna, Austria 10 - 17 April 2000

