Editing Timeline of project management (section)

== 20th century ==
* 1910s The [[Gantt chart]] developed by [[Henry Laurence Gantt]] (1861&ndash;1919)

;1950s
* 1950s The [[Critical path method]] (CPM) invented
* 1950s The [[United States Department of Defense|US DoD]] used modern project management techniques in their [[UGM-27 Polaris|Polaris project]].<ref name="YHK05">Young-Hoon Kwak (2005). "A brief history of Project Management". In: ''The story of managing projects''. [[Elias G. Carayannis]] et al. 9eds, Greenwood Publishing Group, 2005. {{ISBN|1-56720-506-2}}</ref>
* 1956 The American Association of [[Cost Engineer]]s (now [[AACE International]]) formed
* 1958 The [[Program Evaluation and Review Technique]] (PERT) method invented
 
;1960s
* 1969 [[Project Management Institute]] (PMI) launched to promote project management profession

;1970s
* 1975 PROMPT methodology (acronym for ''Project Resource Organisation Management Planning Technique'') created by Simpact Systems Ltd<ref>{{Cite web|url = http://projectmanagementhistory.com/PROMPT.html|title = PROMPT {{!}} Simpact Systems 1975|website = projectmanagementhistory.com|access-date = 2016-03-04}}</ref> (source: PRINCE2 manual)
* 1975 ''[[The Mythical Man-Month|The Mythical Man-Month: Essays on Software Engineering]]'' by [[Fred Brooks]] published

;1980s
* 1984 ''[[The Goal (novel)|The Goal]]'' by [[Eliyahu M. Goldratt]] published
* 1986 [[Scrum (management)|Scrum]] was named as a project management style in the article ''The New New Product Development Game'' by Takeuchi and Nonaka
* 1987 First ''[[Project Management Body of Knowledge]] Guide'' published as a white paper by PMI
* 1989 PRINCE method derived from PROMPTII is published by the UK Government agency CCTA and becomes the UK standard for all government information projects

;1990s
* 1996 [[PRINCE2]] published by CCTA (now [[Office of Government Commerce]] OGC) as a generic product management methodology for all UK government projects.
* 1997 ''[[Critical Chain]]'' by [[Eliyahu M. Goldratt]] published