| 1893-05 |
Sun Life Foundation: Founded as Nagoya Life Insurance Co., Ltd. (Photo from Showa 5) |
| 1893-05 |
Founded Taiyo Life as Nagoya Life Insurance Co., Ltd. |
| 1902-07 |
Daidō Life Foundation: Founded as a merger of Asahi Life, Gokoku Life, and Hokkai Life (Initially a joint-stock company): (Photo from Meiji 35) |
| 1902-07 |
Founded Daido Life Insurance Company through the merger of Asahi Life, Gokoku Life, and Hokkai Life. |
| 1947-07 |
Daidō Life re-established as a mutual company |
| 1947-07 |
Daido Life was reestablished as a mutual company. |
| 1948-02 |
Sun Life re-established as a mutual company |
| 1948-02 |
Taiyo Life was reestablished as a mutual company. |
| 1999-01 |
Sun Life and Daidō Life announced comprehensive business alliance |
| 1999 |
Integration of confirmation services related to life insurance (T&D Confirm Co., Ltd.) |
| 1999-01 |
Taiyo Life and Daido Life announced a broad business alliance. |
| 1999 |
Launched T&D Confirm, Ltd., by integrating the operations of policy confirmation. |
| 1999-06 |
Decided to name the group "T&D Insurance Group" |
| 1999-06 |
The group name, 'T&D Life Group,' was announced. The group name changed from 'T&D Life Group' to 'T&D Insurance Group.' (2019) |
| 1999-06 |
The group name, "T&D Life Group" was announced. : ※ : The group name changed from"T&D Life Group" to "T&D Insurance Group."（2019） |
| 1999-10 |
Merger of domestic investment advisory companies (T&D Sun Dai Investment Advisory Co., Ltd.) |
| 1999-10 |
Launched T&D Taiyo Daido Asset Management Co., Ltd., through a merger of domestic investment advisory companies. |
| 1999-10 |
Launched T&D Taiyo Daido Asset Management Co., Ltd., : through a merger of domestic investment advisory companies. |
| 2001 |
Integration of system departments (T&D Information Systems Co., Ltd.) |
| 2001 |
Launched T&D Information Systems, Ltd., through a merger of the Group system divisions. |
| 2001-10 |
Sun Life and Daidō Life jointly acquired shares of T&D Financial Life (formerly Tokyo Life) |
| 2001-10 |
Taiyo Life and Daido Life jointly completed the acquisition of the former Tokyo Life Insurance Company, renamed T&D Financial Life Insurance Company. |
| 2002-04 |
Daidō Life reorganized into a corporation: Listed on the Tokyo Stock Exchange and Osaka Securities Exchange |
| 2002-04 |
Daido Life was demutualized into a joint-stock company and its shares were listed on the Tokyo Stock Exchange and the Osaka Securities Exchange. |
| 2002-07 |
Merger of T&D Sun Dai Investment Advisory and Daidō Life Investment Trust (T&D Asset Management Co., Ltd.) |
| 2002-07 |
Launched T&D Asset Management Co., Ltd., through a merger of T&D Taiyo Daido Asset Management Co., Ltd., and Daido Life Investment Trust Management Co., Ltd. |
| 2002-08 |
Integration of leasing business (T&D Lease Co., Ltd.) |
| 2002-08 |
Launched T&D Taiyo Daido Lease Co., Ltd., through a merger of Group leasing business. |
| 2003-04 |
Reorganized into Sun Life Co., Ltd., listed on the Tokyo Stock Exchange |
| 2003-04 |
Demutualized Taiyo Life to a joint stock company and listed its shares on the Tokyo Stock Exchange. |
| 2004 |
Merger of administrative service companies (T&D Customer Service Co., Ltd.) |
| 2004 |
Launched T&D Customer Services Co., Ltd., through a merger of group administrative services. |
| 2004-03 |
Delisting of Sun Life and Daidō Life |
| 2004-03 |
Delisted Taiyo Life and Daido Life from the Tokyo Stock Exchange and the Osaka Securities Exchange. |
| 2004-04 |
Established T&D Holdings Inc., listed on the Tokyo Stock Exchange and Osaka Securities Exchange: (Sun Life, Daidō Life, and T&D Financial Life become wholly owned subsidiaries of T&D Holdings) |
| 2004-04 |
Established T&D Holdings, Inc., and listed on the Tokyo Stock Exchange and the Osaka Securities Exchange. (Taiyo Life, Daido Life and T&D Financial Life became wholly owned subsidiaries of T&D Holdings.) |
| 2006-07 |
The headquarters functions of the four group companies (T&D Holdings, Taiyo Life, Daido Life, T&D Financial Life) and T&D Asset Management are consolidated and relocated |
| 2006-07 |
Concentrated and relocated the headquarters of T&D Holdings, Taiyo Life, Daido Life, T&D Financial Life, and T&D Asset Management. |
| 2007-01 |
T&D Holdings acquires Japan Family Insurance Planning Co., Ltd. (Pet & Family Small Amount Short-Term Insurance Co., Ltd.) as a subsidiary |
| 2007-01 |
T&D Holdings made Japan Family Insurance Planning, Ltd. (renamed Pet & Family Small-amount Short-term Insurance Company) a subsidiary. |
| 2007-03 |
T&D Holdings directly acquires T&D Asset Management Co., Ltd. |
| 2007-03 |
T&D Holdings made T&D Asset Management Co., Ltd. a direct subsidiary. |
| 2016-01 |
The headquarters functions of three group companies (T&D Holdings, Taiyo Life, Daido Life) are relocated to Nihonbashi, Chuo-ku, Tokyo |
| 2016-01 |
Head offices of three Group companies (T&D Holdings, Taiyo Life and Daido Life) relocated to Nihonbashi, Chuo-ku, Tokyo. |
| 2019-04 |
Pet & Family Small Amount Short-Term Insurance Co., Ltd. transitions to a non-life insurance company. The company name is changed to "Pet & Family Non-Life Insurance Co., Ltd." |
| 2019-04 |
Pet & Family Small-amount Short-term Insurance Company converted to nonlife insurance company. Renamed to Pet & Family Insurance Co., Ltd. |
| 2019-07 |
Start of business at T&D United Capital Co., Ltd. |
| 2019-07 |
T&D United Capital Co., Ltd. begins operations. |
| 2022-10 |
Start of business at All Right Co., Ltd. |
| 2022-10 |
All Right Co., Ltd. begins operations. |
| 2024-09 |
T&D Holdings directly acquires T&D Information Systems Co., Ltd. |
| 2024-09 |
T&D Holdings made T&D INFORMATION SYSTEM Co., Ltd. a direct subsidiary. |
| 2026-04 |
Start of business at T&D Investment Management North America Inc. |
| 2026-04 |
T&D Investment Management North America Inc. begins operations. |
