| 1989-11 |
Channel nickname decided as "WOWOW" |
| 1990-11 |
Opening of viewer service center in Chuo Ward, Tokyo, and completion of broadcasting center in Koto Ward, Tokyo |
| 1990-11 |
Start of service broadcasting (12 hours, free broadcast) |
| 1991-04 |
Station launch. Start of commercial broadcasting (24 hours, paid broadcast) |
| 1991-11 |
Start of high-definition trial broadcasting, entrusted with transmission operations of five key stations in Tokyo |
| 1992-08 |
Total net subscription contracts surpass 1 million households (shortest in the history of paid TV worldwide) |
| 1992-10 |
Yokohama Customer Center opened |
| 1992-12 |
Total net subscription contracts surpass 2.5 million households |
| 2000-12 |
Company name changed to "WOWOW Inc." |
| 2000-12 |
Start of BS digital broadcasting |
| 2001-04 |
Listed on Tokyo Stock Exchange Mothers market |
| 2003-02 |
Start of "Drama W" broadcasting, with the first work "Sensei's Bag" |
| 2006-05 |
Sapporo Customer Center opened |
| 2006-12 |
Broadcasting started on Sky PerfecTV! 330ch (124/128 service) |
| 2007-03 |
Established "WOWOW Scenario Grand Prize" |
| 2007-06 |
Digital subscriptions surpass analog subscriptions in total net subscription count |
| 2007-10 |
WOWOW FILMS' first work "Accuse the Culprit" released |
| 2008-04 |
Emergency Earthquake Warning System Launch |
| 2008-04 |
Start of the |
| 2010-06 |
Broadcasting started on Sky PerfecTV! HD (Chapters 621–623) |
| 2010-10 |
Broadcasting started on IPTV service 'Hikari TV' |
| 2011-08 |
Frost International Corporation becomes a subsidiary |
| 2011-09 |
Service launch of 'WOWOW On Demand PPV' |
| 2024-04 |
Launch of new service 'WOWSPO' |
| 2024-10 |
CINRA Inc. becomes a subsidiary |
| 2025-02 |
End of WOWOW 4K broadcasting service |
| 2025-10 |
Grand opening of the EC site 'WOWOW Department Store' |
