| 1951-05 |
Radio Tokyo Co., Ltd. was established in May 1951. |
| 1951-05 |
Established Radio Tokyo Co., Ltd. |
| 1951-12 |
Started radio broadcasting in December 1951. |
| 1951-12 |
Start of radio main broadcast |
| 1955-04 |
Started television broadcasting in April 1955. |
| 1955-04 |
Start of television main broadcast |
| 1959-04 |
Broadcasted the 'Prince (now Emperor) Wedding Parade' in April 1959. |
| 1959-04 |
Broadcast of 'Prince (Current Emperor) Wedding Parade' |
| 1959-08 |
Formed JNN (Japan News Network) in August 1959. |
| 1959-08 |
Formation of JNN (Japan News Network) |
| 1960-09 |
Started color broadcasting in September 1960. |
| 1960-09 |
Start of color broadcasting |
| 1960-10 |
Listed on the First Section of the Tokyo Stock Exchange in October 1960. |
| 1960-10 |
Listed on the First Section of the Tokyo Stock Exchange |
| 1960-11 |
Changed the company name to 'Tokyo Broadcasting Co., Ltd.' (TBS) in November 1960. |
| 1960-11 |
Company name changed to 'Tokyo Broadcasting System Inc.' (abbreviated TBS) |
| 1963-11 |
Reported the Kennedy assassination and conducted the first satellite relay in November 1963. |
| 1963-11 |
Reported the assassination of President Kennedy (first satellite broadcast). |
| 1964-10 |
Broadcasted the Tokyo Olympics in October 1964. |
| 1964-10 |
Broadcast of 'Tokyo Olympics' |
| 1965-05 |
Formed JRN (Japan Radio Network) in May 1965. |
| 1965-05 |
Formation of JRN (Japan Radio Network) |
| 1969-07 |
Reported the moon landing of Apollo 11 in July 1969, and Radio Car TBS950 was dispatched for the first time (now TBS954). |
| 1969-07 |
Reported Apollo 11 moon landing: Radio car TBS950 first dispatched (now TBS954) |
| 1976-04 |
Started the "TBS Kangaroo Fund" in April 1976. |
| 1976-04 |
Start of 'TBS Kangaroo Fund' |
| 1994-04 |
Completed the TBS Broadcasting Center in April 1994. |
| 1994-04 |
Completion of TBS Broadcasting Center |
| 1998-04 |
Started broadcasting CS "JNN (now TBS) News Bird" in April 1998. |
| 1998-04 |
Started broadcasting CS "JNN (now TBS) News Bird". |
| 2000-04 |
Started the company split of the production division in April 2000. |
| 2000-04 |
Start of corporate separation of production division |
| 2000-12 |
Started broadcasting "BS-i" (now BS-TBS) in December 2000. |
| 2000-12 |
Start of 'BS-i' (now BS-TBS) broadcasting |
| 2001-09 |
Changed the call sign of TBS Television to JORX-TV in September 2001. |
| 2001-09 |
Changed TBS Television's call sign to JORX-TV. |
| 2001-10 |
Succeeded the radio license to "TBS Radio & Communications" in October 2001. |
| 2001-10 |
Radio license succeeded to 'TBS Radio & Communications' |
| 2002-01 |
Acquired shares of Yokohama BayStars in January 2002. |
| 2002-01 |
Acquisition of Yokohama BayStars stock |
| 2002-07 |
Started broadcasting CS "TBS Channel" in July 2002. |
| 2002-07 |
Start of CS 'TBS Channel' broadcasting |
| 2003-12 |
Started terrestrial digital broadcasting in December 2003. |
| 2003-12 |
Start of terrestrial digital broadcasting |
| 2004-10 |
Established "TBS Television Inc." in October 2004. |
| 2004-10 |
Establishment of 'TBS Television Inc.' |
| 2008-03 |
Akasaka Sacas opened in March 2008. |
| 2008-03 |
Grand opening of Akasaka Sacas |
| 2008-07 |
Acquired shares of Styling Life Holdings Inc. in July 2008. |
| 2008-07 |
Acquisition of shares of Styling Life Holdings Inc. |
| 2009-04 |
Transitioned to a certified broadcasting holding company and changed the trade name to "Tokyo Broadcasting Holdings Inc." in April 2009. |
| 2009-04 |
"TBS Television Inc." inherited the television broadcasting license in April 2009. |
| 2009-04 |
"BS-i" changed its company name to "BS-TBS" in April 2009. |
| 2009-04 |
Transition to a certified broadcasting holding company: change of trade name to Tokyo Broadcasting Holdings Inc.: inheritance of TV broadcasting license by TBS Television Inc.: "BS-i" renamed to "BS-TBS" |
| 2011-07 |
Completed the digital transition of terrestrial TV in July 2011. |
| 2011-07 |
Complete digital transition of terrestrial television. |
| 2011-11 |
Transferred shares of Yokohama BayStars in November 2011. |
| 2011-11 |
Transfer of shares of Yokohama BayStars |
| 2015-04 |
Fully owned "BS-TBS" as a subsidiary in April 2015. |
| 2015-04 |
Complete subsidiary of BS-TBS |
| 2016-04 |
In April 2016, changed the company name from "TBS Radio & Communications" to "TBS Radio". |
| 2016-04 |
Changed the company name from "TBS Radio & Communications" to "TBS Radio". |
| 2018-12 |
Started BS4K broadcasting in December 2018. |
| 2018-12 |
Start of BS4K broadcasting |
| 2019-01 |
In January 2019, 11 related companies merged and "TBS Sparkle" was launched. |
| 2019-01 |
11 related companies merge to start TBS Sparkle |
| 2019-04 |
In April 2019, 7 related companies merged and "TBS Glodia" was launched. |
| 2019-04 |
7 related companies merge to start TBS Glodia |
| 2020-10 |
In October 2020, changed the company name to "TBS Holdings". |
| 2020-10 |
Changed the trade name to "TBS Holdings". |
| 2021-04 |
In April 2021, 12 related companies merged and "TBS Act" was launched. |
| 2021-04 |
12 related companies merge to start TBS Act |
| 2022-04 |
In April 2022, launched the integrated news site "TBS NEWS DIG Powered by JNN" of 28 JNN affiliated stations. |
| 2022-04 |
Launched the integrated news site "TBS NEWS DIG Powered by JNN" of 28 JNN affiliated stations. |
| 2022-07 |
In July 2022, the stage play "Harry Potter and the Cursed Child" opened. |
| 2022-07 |
Stage play "Harry Potter and the Cursed Child" opens |
| 2023-06 |
In June 2023, acquired shares of Yaru Ki Switch Group Holdings Co., Ltd. and made it a consolidated subsidiary. |
| 2023-06 |
Acquired shares of Yaru Ki Switch Group Holdings Co., Ltd. (became a consolidated subsidiary). |
| 2026 |
Next year, 2026, will mark the 75th anniversary of establishment. |
| 2028 |
At the Los Angeles Olympics in 2028, a competition devised based on "SASUKE" will be officially adopted. |
| 2028 |
At the 2028 Los Angeles Olympics, a competition devised based on "SASUKE" will be officially adopted. |