| 1946 | Nov. | PHP Institute founded. |
| 1947 | Apr. | First issue of PHP monthly magazine (Japanese edition) published. |
| May | PHP Friendship Clubs Association established. |
| 1950 | Jul. | PHP research activities suspended, except the publication of PHP. |
| 1952 | Sep. | Tourism Nation Plan proposed by Konosuke Matsushita. |
| 1961 | Aug. | PHP research activities restarted at Shinshin-an. |
|
| 1967 | Nov. | PHP Head Office building completed in front of Kyoto Station. |
| 1968 | May | Michi o hiraku (Open the Way) by Konosuke Matsushita published. |
| Dec. | PHP monthly magazine sold over one million copies. |
| 1970 | Sep. | First issue of PHP monthly magazine (English edition) published. |
| 1972 | Aug. | Ningen o Kangaeru (Thoughts on Man) published. |
|
| 1976 | Jun. | Children's book publishing started. |
| 1977 | Jan. | Watashi no yume Nihon no Yume 21seiki no Yume (A Vision for Japan in the 21st Century)
by Konosuke Matsushita published. |
| May | PHP Seminars launched. |
| Dec. | First issue of Voice monthly magazine published. |
| 1979 | Nov. | PHP International (Singapore) Pte. Ltd. founded. |
| 1980 | Mar. | First issue of PHP (Asia-Pacific edition) published. |
|
| Oct. | Audio Visual training materials published. |
|
| 1981 | Apr. | PHP Overseas Seminars launched. |
|
| 1982 | Nov. | PHP Symposium has its first conference. |
|
| 1983 | May | The Kyoto Colloquium on Global Change founded. |
| 1984 | Apr. |
“Seven Proposals for Educational Reform” released. |
| Oct. | First issue of The 21 monthly magazine published. |
| 1985 | Jan. | PHP magazine (English and Asia Pacific edition) renamed PHP Intersect. |
| Mar. | A children's book Obaketo Kodomono Ohsama given the Elba Award at the Bologna Children's Book Fair. |
| 1987 | May | PHP telephone counseling service launched. |
| 1988 | Apr. | First issue of Rekishi Kaido monthly magazine published. |
| Oct. | PHP Editors Group, Inc. established. |
| 1989 | Feb. | PHP Institute of America, Inc. founded. |
| Apr. | Konosuke Matsushita, founder of PHP Institute, passes away at the age of 94. |
| Sep. | PHP Scholarship Program started. |
| 1991 | Nov. | Training and Development Center inaugurated. |
| 1992 | May | Shichihei Yamamoto Prize established. |
| Oct. | Correspondence education started. |
| 1996 | Nov. | PHP Institute’s 50th Anniversary. |
| 1997 | Feb. | “Proposals for Dealing with Japan's Financial Crisis” released. |
| 1998 | Jan. | First issue of PHP Policy Research Reports published. |
|
| Apr. | First issue of Konosuke Matsushita Studies published. |
| 2000 | Apr. | First issue of JAPAN CLOSE-UP monthly magazine published. |
| May | Announcement of the “Seven-year Plan for Reconstructing Japan” |
| Oct. | Electronic books publishing launched. |
| 2001 | Jun. | Announcement of the “Restructuring Plan for Public Enterprises” |
| 2002 | May | Announcement of the “Seven Challenges for the Local Authorities for Independence” |
| 2003 | Apr. | First issue of PHP Business Review magazine published. |
| 2004 | Apr. | First issue of “Ronso Matsushita Konosuke” published. |
| Nov. | Announcement of the “Draft of the Japanese Constitution for the 21st Century” |
| 2005 | Jul. | First issue of Manifesto White Paper published. |
| 2006 | Apr. | PHP Business Shinsho (the pocket-size version of a book) launched. |
| 2007 | Sep. | First issue of PHP Policy Review published. |
| 2008 | Dec. | Jyosei no Hinkaku sold more than 3.1 million copies. |
| 2009 | Jan. | Rikyu ni Tazuneyo awarded the Naoki Prize. |
| 2010 | Oct. | Matsushita Konosuke.com, an official website about Konosuke Matsushita, established. |
| 2011 | Feb. | Matsushita Konosuke Keiei Jyuku, a management course based on his philosophy, launched. |
| 2013 | Dec. | Michi o hiraku (Open the Way) , a long-selling book by Konosuke Matsushita, sold over 5 million copies. |
| Dec. | English and Chinese webpages of Matsushita Konosuke.com established. |
| --- | PHP Institute engages in Advisory Council on the Establishment of a National Security Council. |
2014 | Mar. | PHP Business Shinsho Matsushita Konosuke Library (a series of books) started. |
