Past Congresses and Conferences
THE INTERNATIONAL CONGRESSES OF THE IAHR
| Number | City | Year |
| I | Paris | 1900 |
| II | Basel | 1904 |
| III | Oxford | 1908 |
| IV | Leiden | 1912 |
| V | Lund | 1929 |
| VI | Brussels | 1935 |
| VII | Amsterdam | 1950 |
| VIII | Rome | 1955 |
| IX | Tokyo | 1958 |
| X | Marburg | 1960 |
| XI | Claremont | 1965 |
| XII | Stockholm | 1970 |
| XIII | Lancaster | 1975 |
| XIV | Winnipeg | 1980 |
| XV | Sydney | 1985 |
| XVI | Rome | 1990 |
| XVII | Mexico City | 1995 |
| XVIII | Durban | 2000 |
| XIX | Tokyo | 2005 |
REGIONAL OR SPECIAL CONFERENCES OF THE IAHR
| City | Year |
| Strasbourg | 1964 |
| Messina | 1966 |
| Jerusalem | 1968 |
| Turku | 1973 |
| Warszawa | 1979 |
| Marburg | 1988 |
| Groningen | 1989 |
| Warszawa | 1989 |
| Helsinki | 1990 |
| Burlington | 1991 |
| Beijing | 1992 |
| Harare | 1992 |
| Paris | 1993 |
| Brno | 1994 |
| Aarhus | 1996 |
| Bogotà | 1996 |
| Turku | 1997 |
| Hildesheim | 1998 |
| Brno | 1999 |
| Nairobi | 1999 |
| Cracow | 2000 |
| Wellington | 2002 |
| Bergen | 2003 |
| New Delhi | 2003 |
| Legon | 2004 |
| Santander | 2004 |
| Yogyakarta | 2004 |
| New Delhi | 2005 |
| Bucharest | 2006 |
| Bangkok | 2007 |
| Stockholm | 2007 |
| Gaborone | 2007 |
| Ankara | 2007 |
| Brno | 2008 |
