October 1978
Conference
Montreux Meeting of Experts on Peaceful Settlement of Disputes
The Montreux meeting took place shortly after the end of the Belgrade Follow-up Meeting, marking the beginning of a series of meetings central to CSCE commitments regarding politico-military issues.
July 1978

Conference
End of the Meeting of Experts to prepare for the CSCE Scientific Forum
The German city of Bonn hosted a preparatory meeting for the Scientific Forum in Hamburg, which took place in February and March 1980.
October 1977
Conference
First Review Conference begins in Belgrade
The First Review Conference (formerly know as Follow-up Meetings), held in Belgrade from 4 October 1997 to 9 March 1978, provided a forum for discussion and agreement on a number of aspects of the Helsinki process.
August 1975

Summit
Helsinki Summit 1975
The Helsinki Summit meeting of 1975 marked the beginning of Stage III of the CSCE negotiations.
July 1975

Summit
Helsinki Summit - Beginning of Stage III of the CSCE negotiations
The beginning of the 1975 Helsinki Summit marked the conclusion of the formative stages of the CSCE.
Conference
Stage II of Helsinki negotiations finish
Stage II of the CSCE negotiations in Helsinki began on 18 September 1973 and represented the substantive working phase.
September 1973

Conference
Stage II of Helsinki negotiations begins
The substantive working phase of the Helsinki negotiations (Stage II) took place in Geneva from 18 September 1973 to 21 July 1975.
July 1973
Conference
Stage I of the CSCE - Final Recommendations of the Helsinki Consultations adopted
Final Recommendations of the Helsinki Consultations adopted