| 1973 |
A heartwarming episode until Sammy's first arranged ball 'Miracle' (manufactured in 1973) is displayed at the ceremony venue. |
| 2004 |
Establishment of Sega Sammy Holdings Inc. (Sega Sammy Holdings) |
| 2005 |
Renaming of Sammy Golf & Entertainment Inc. to Sega Sammy Golf & Entertainment Inc. (Sega Sammy Holdings) |
| 2005 |
The Sega Sammy Cup Golf Tournament held for the first time at The North Country Golf Club (Sega Sammy Holdings) |
| 2005 |
Establishment of Sega Sammy Baseball Club (Sega Sammy Holdings) |
| 2009 |
Establishment of Sega Sammy Visual Entertainment Inc. (now Marza Animation Planet Inc.) (Sega Sammy Holdings) |
| 2010 |
Acquisition of Sammy Networks Inc. as a wholly owned subsidiary (Sega Sammy Holdings) |
| 2010 |
Acquisition of Sega Toys Inc. (now Sega Fave Inc.) as a wholly owned subsidiary (Sega Sammy Holdings) |
| 2010 |
Acquisition of TMS Entertainment Inc. as a wholly owned subsidiary (Sega Sammy Holdings) |
| 2012 |
Acquisition of Phoenix Resort Inc. as a wholly owned subsidiary (Sega Sammy Holdings) |
| 2012 |
Establishment of a joint venture with Paradise Group in Korea, PARADISE SEGASAMMY Co., Ltd. (Sega Sammy Holdings) |
| 2013 |
Establishment of Sega Sammy Creation Inc. (Sega Sammy Holdings) |
| 2025 |
The movie 'Sonic × Shadow: Tokyo Mission' achieved a worldwide box office revenue of $490 million, surpassing a total of $1 billion in global box office revenue for the series (Sega) |
| 2025 |
Sega Sammy Creation Inc. received awards in two categories at the '2025 EKG Slot Awards': 'Top Performing NEW Core Cabinet' and 'Top Performing Game from an Emerging Supplier' (Sega Sammy Creation) |
| 2025 |
The professional mahjong team 'Sega Sammy Phoenix' won their first M-League championship (Sega Sammy Holdings) |
| 2025 |
The world's first official real store 'SEGA STORE SHANGHAI' opened in Shanghai, China, and the first flagship store 'SEGA STORE TOKYO' opened in Shibuya, Tokyo (Sega) |
| 2025 |
Sammy Inc. celebrates its 50th anniversary (Sammy) |
| 2025-12-18 |
On December 18, 2025, a 50th anniversary ceremony was held at Tokyo International Forum in Chiyoda, Tokyo, for Sammy Inc., part of the Sega Sammy Group. The venue was filled with the sounds of a big band, attended by business partners and group employees who have shared 50 years of history. Behind this glamorous stage were about a year of preparations, including efforts by staff involved in creating the ceremony and the display of Sammy's first arcade ball 'Miracle' (manufactured in 1973). We bring you stories of these efforts through interviews with those involved. |
| 2025-12-18 |
A 50th anniversary ceremony of Sammy Corporation, a Sega Sammy Group company, was held at Tokyo International Forum in Chiyoda Ward, Tokyo. |
| 2026-04-24 |
Looking back on the evolution and current status of Sonic, as well as its birth, journey, and future prospects, we spoke with a person who has been involved with Sonic at Sega for many years. |
