Chernobyl Post-Accident Review
Chairs the international environment in which Soviet experts present detailed technical information about Chernobyl to specialists from many countries.
Role range: 1981-1997
Historical biography archive · Updated 2026-11-03
Hans Blix Biography and Timeline — Page 2
Follow Hans Blix through 213 dated historical records for Sweden.
Hans Blix, historical timeline
A chronological timeline drawn from matching World History Database records.
213Distinct records
2 of 6Page
1986–1994Years on this page
1986
Post-Accident Review Meeting
The IAEA convenes an international review meeting where Soviet experts present technical information about the Chernobyl accident.
Role range: 1981-1997
Assistance Convention
The Convention on Assistance in the Case of a Nuclear Accident or Radiological Emergency opens for signature in response to lessons from Chernobyl.
Role range: 1981-1997
Early Notification Convention
The Convention on Early Notification of a Nuclear Accident opens for signature after Chernobyl exposes weaknesses in international accident reporting.
Role range: 1981-1997
Emergency Assistance Convention
Oversees adoption of the Convention on Emergency Assistance.
Role range: 1981-1997
Nuclear Accident Notification Framework
The treaty creates rapid international reporting after nuclear accidents.
Role range: 1981-1997
Radiological Assistance Framework
The treaty strengthens international help after nuclear or radiological emergencies.
Role range: 1981-1997
Chernobyl Safety Programme
Uses the Chernobyl experience to reinforce IAEA programmes dealing with reactor safety, emergency preparedness and radiological protection.
Role range: 1981-1997
International Emergency Assistance Reform
The disaster accelerates international arrangements for requesting and providing assistance during nuclear or radiological emergencies.
Role range: 1981-1997
Nuclear Accident Notification Reform
The Chernobyl accident accelerates international agreement on rapid notification when nuclear accidents may have cross-border radiological consequences.
Role range: 1981-1997
1987
Physical Protection Convention Enters Force
The Convention on the Physical Protection of Nuclear Material enters into force.
Role range: 1981-1997
Chernobyl Follow-Up
Continues IAEA follow-up work on the technical and regulatory lessons arising from the Chernobyl accident.
Role range: 1981-1997
Moscow State University Honorary Doctorate
Receives an honorary doctorate from Moscow State University while serving as Director General of the International Atomic Energy Agency.
Role range: 1981-1997
1988
Joint Nuclear Liability Protocol Adopted
The Joint Protocol linking the Vienna and Paris nuclear liability conventions is adopted.
Role range: 1981-1997
Henry DeWolf Smyth Award
Receives the Henry DeWolf Smyth Award in recognition of his contribution to the peaceful and internationally supervised use of nuclear energy.
Role range: 1981-1997
Nuclear Safety Cooperation
Promotes wider international exchange of operating experience and safety information in the aftermath of Chernobyl.
Role range: 1981-1997
1989
Chernobyl Transparency
Encourages greater openness in international nuclear-safety reporting as Chernobyl continues to shape confidence in nuclear regulation.
Role range: 1981-1997
Codex Radionuclide Food Guidelines
International Codex standards adopt guidelines for controlling food contaminated by radionuclides after nuclear emergencies.
Role range: 1981-1997
1990
Chernobyl Health Assessment
Supports international efforts to assess radiation exposure and health concerns among populations affected by Chernobyl.
Role range: 1981-1997
International Nuclear Event Scale Introduced
The IAEA and OECD Nuclear Energy Agency introduce the International Nuclear Event Scale for communicating event significance.
Role range: 1981-1997
1991
Clandestine Programme Discovered
The discovery drives major efforts to strengthen international safeguards.
Role range: 1981-1997
IAEA Safety Role
Notes that Chernobyl strengthens demands for a larger IAEA role in international nuclear safety and emergency preparedness.
Role range: 1981-1997
International Chernobyl Project
Leads the Agency while the International Chernobyl Project assesses radiological conditions and health concerns in contaminated settlements.
Role range: 1981-1997
Iraq Nuclear Inspections
Leads the IAEA as inspectors uncover Iraq's clandestine nuclear programme.
Role range: 1981-1997
Radioactive Waste Safety Standards Programme
The IAEA establishes the RADWASS programme to develop internationally agreed radioactive waste safety standards.
Role range: 1981-1997
1992
Chernobyl Regulatory Lessons
Continues advocating stronger nuclear-safety standards and international review mechanisms shaped in part by the Chernobyl experience.
Role range: 1981-1997
DPRK Safeguards Inspections
Oversees safeguards inspections after North Korea's agreement enters operation.
Role range: 1981-1997
Early Design Information Requirement
The Board strengthens safeguards by requiring earlier provision of design information for new or modified nuclear facilities.
Role range: 1981-1997
Expanded Nuclear Trade Reporting
The IAEA strengthens safeguards through expanded reporting of nuclear material, equipment, exports and imports.
Role range: 1981-1997
North Korean Nuclear Verification
Inspectors identify inconsistencies requiring further clarification and access.
Role range: 1981-1997
Special Inspection Right Reconfirmed
The Board of Governors reaffirms the IAEA's right to conduct special inspections under comprehensive safeguards agreements.
Role range: 1981-1997
1993
DPRK Announces NPT Withdrawal
North Korea announces its intention to withdraw from the Nuclear Non-Proliferation Treaty during the safeguards crisis.
Role range: 1981-1997
DPRK Board Non-Compliance Finding
The Board finds North Korea in non-compliance after inspectors encounter unresolved safeguards inconsistencies.
Role range: 1981-1997
Dismantlement Verification
Inspectors find no indication that the weapons programme remains active.
Role range: 1981-1997
Nuclear Safety Convention Work
Oversees IAEA work contributing to development of an international convention establishing common nuclear-safety obligations.
Role range: 1981-1997
Programme 93 Plus 2 Launched
The IAEA begins Programme 93+2 to strengthen detection of undeclared nuclear material and activities.
Role range: 1981-1997
South African Nuclear Verification
Oversees IAEA verification of South Africa's former nuclear weapons programme.
Role range: 1981-1997
1994
Iraqi Fissile Material Removal
Oversees removal of the final declared weapons-usable spent fuel from Iraq.
Role range: 1981-1997
Spent Fuel Removed from Iraq
The operation advances elimination of Iraq's former nuclear weapons capability.
Role range: 1981-1997
DPRK Report to Security Council
Reports to the Security Council on North Korean safeguards problems.
Role range: 1981-1997
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.