| Les manifestations internationales (665) |
| Date | Titre | Lieu |
| 1999-11-21 | COLLOQUIUM ON QUANTITATIVE SOCIO-DYNAMICS OF ASTRONOMY | France |
| 1999-11-22 | EXPLORING THE INFORMATION SOCIETY | Finlande |
| 1999-11-29 | THE SIGNIFICANCE OF TRANSGENIC PLANTS FOR DEVELOPING COUNTRIES | Suisse |
| 1999-11-29 | ICTP/ICGEB IBERO-AMERICAN SCHOOL OF ASTROBIOLOGY: ORIGINS FROM THE BIG BANG TO CIVILIZATION | Venezuela |
| 1999-12-11 | PASCOS '99 - THE 7TH INTERNATIONAL SYMPOSIUM ON PARTICLES, STRINGS, AND;COSMOLOGY | CA USA |
| 2000-01-07 | ORGANIC SYNTHESIS (ICOS-13) | Pologne |
| 2000-01-09 | CHEMISTRY OF NATURAL PRODUCTS | Brésil |
| 2000-01-10 | COLLEGE ON BIOPHYSICS : FROM MOLECULAR GENETICS TO STRUCTURAL BIOLOGY | Italie |
| 2000-01-10 | LA RECHERCHE SCIENTIFIQUE ET SON RÔLE POUR L'AMÉLIORATION DES TERRES ARIDES ET SEMI-ARIDES | Algérie |
| 2000-01-10 | SEISMOLOGY, SEISMIC DATA ANALYSIS, HAZARD ASSESSMENT & RISK MITIGATION | Allemagne |