The first Top Master in Japan, Oo Kentou, began his missionary work in the city of Nagoya after World War II.
| 1953 | The first Dotoku Kaikan was opened in Mizuho in Nagoya. |
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| 1969 | The main Dotoku Kaikan Center in Japan was opened. |
| 1975 | Inuyama Dotoku Kaikan was opened. |
| 1976 |
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| 1977 | Ooita Doutoku Kaikan was opened. |
| 1978 | Tsukeichi Dotoku Kaikan was opened. |
| 1980 |
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| 1981 | Nara Dotoku Kaikan was opened. |
| 1983 | Otsu Dotoku Kaikan was opened. |
| 1984 | Gosen Dotoku Kaikan was opened. |
| 1985 | Sao Paulo Dotoku Kaikan was opened in Brazil. |
| 1986 | Imabari Dotoku Kaikan was opened. |
| 1989 | Sasebo Dotoku Kaikan was opened. |
| 1990 |
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| 1992 | Dotoku Kaikan was registered as an official religious organization in Japan. |
| 1993 | New Delhi Dotoku Kaikan was opened in India. |
| 1995 | New Dotoku Kaikan was opened in Tokyo. |
| 1997 |
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| 1998 |
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| 2001 |
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| 2002 |
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| 2004 | Fukuoka Dotoku Kaikan was opened. |
| 2005 | Dotoku Kaikan was opened in Shinjuku in Tokyo. |
| 2006 | Tokyo Mirokuden was opened. |
| 2007 |
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