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If PRINCE2 2017 is 6th edition and PRINCE2 2009 was 5th edition, what were officially considered editions 1-4? Was PROMPT II (1975) considered the first edition, or was PRINCE (1989) considered the first edition, or was PRINCE2 1996 considered the first edition? -- JHP (talk) 19:24, 14 July 2020 (UTC)[reply]
From the copyright page of the 5th edition:
First edition 1996
Second edition 1998
Third edition 2002
Fourth edition 2005
Fifth edition 2009
So they were all PRINCE2. The 1989 edition was PRINCE (as opposed to PRINCE2). PROMPT II goes back the 1970s. I recall an old colleague telling me some decades ago that he worked on the development of PROMPT and that in turn came out of working practices he used that were developed in ICL the 1960s. And he said something like "It all boils down to time, cost and quality - pick any two". SandJ-on-WP (talk) 14:05, 9 September 2021 (UTC)[reply]
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