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Although he did not publish them until the early 1900s, work on Gantt's known tabular/graphical systems dates back to 1890.
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Frederick W. Taylor publishes "Shop Management," a publication that goes on to have a huge influence on shop manufacturing and management.
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Henry Gantt publishes the first edition of his eponymous work that will come to define Project Management for a century. He introduces the concept of task work and "the task idea."
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Gantt begins to explore the idea of using bar charts to document "task and bonus" work and actual work done in his second publication of Work, Wages, and Profits.
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The Dupont Corporation invents the Critical Path Method, which helps to sequence the tasks in a project and help find the absolute minimum time necessary to completion.
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Program Evaluation Research Task, which would change to Program Evaluation Review Technique (PERT) is implemented by the U.S. Navy to analyze complex projects.
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In a published document, DOD and NASA describe PERT and the now famous WBS approach.
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The Project Management Institute (PMI) incorporates as a non-profit dedicated to promoting the profession of project management.
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In a Harvard Business Review article, Scrum is named as a method of project management, legitimizing the software development technique for wider usage of other development projects.
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The UK government's Central Computer and Telecommunications Agency develops and endorses PRINCE as the standard for project management in the UK. Official PRINCE certifications would go on to be managed by Axelos.
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The UK's CCTA revamps their standard and upgrades to the new PRINCE2, which becomes adopted by more countries in Europe as well as Australia.
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The first edition of the seminal "A Guide to the Project Management Body of Knowledge (PMBOK GUIDE)" is published.
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Seventeen individuals meet at a ski lodge to discuss an iterative alternative to the documentation heavy waterfall typical processes that dominate the software development industry.
