A Short History of PMI® , the PMBOK® Guide, and the PMP®  Exam

PMI , PMP  and PMBOK  are registered marks of the Project Management Institute, Inc.

The first credential for PMI® was the Project Management Professional (PMP)®, and the first certifications were awarded in 1984.
1969 – Birth of PMI® – First Meeting is held in Atlanta, GA.
1984 – First PMP® Exams are administered
1987 – March – “Project Management Body of Knowledge” is released – not hardcopy – sections A through H, 5-6 pages in each section.
1994 – August – New exposure draft of the “PMBOK® Guide” is released – 64 pages. There are eight Knowledge Areas. (Integration Management is not included until the 1996 First edition.) Test is a six hour exam of 320 questions! (There are 40 questions for each of the eight Knowledge Areas. Each question has five multiple-choice answers.)
1996 – PMBOK® Guide, First Edition is released – 176 Pages. Nine Knowledge Areas and 37 processes.
2000 –PMBOK® Guide, 2000 Edition is released. (Second Edition) – 211 Pages, Nine Knowledge Areas and 39 processes.
December 2004, – PMBOK® Guide, Third Edition is released. 390 pages; 44 Processes; 592 ITTO. August 2005 – Test changes to be based on Third Edition, and test becomes much more difficult! (PMI lowers the passing score to 61% to accommodate the increased difficulty of the exam.)
2007 – PMBOK® Guide earns the ANSI/ISO/IEC
December 2008, – PMBOK® Guide, Fourth Edition is released. 467 pages; 42 Processes; 517 ITTO. August 2009 – Test changes to be based on Fourth Edition.
August 31, 2011 – 30% of the questions are changed to conform to the latest 2011 RDS (Role Delineation Study)
December 2012, – PMBOK® Guide, Fifth Edition is released. 589 pages; 47 Processes; 619 ITTO! August 2013 – Test changes to be based on Fifth Edition.
January 11, 2016 – Test changes to conform to the latest 2015 RDS (Role Delineation Study)
September 6, 2017 – PMBOK® Guide, Sixth Edition is released. 756 pages; 49 Processes; 662 ITTO (1,418 if you count all the bullets!) – Test will change to be based on Sixth Edition in Q1 2018.

There are a number of practice standards that also support the PMBOK® Guide. These include practice standards for the WBS, Risk, Configuration Management, Scheduling, Agile, and Earned Value. The PMBOK® Guide and these practice standards can be downloaded for free from pmi.org for PMI members.