30th Anniversary

JoJo's Bizarre Adventures 30th Anniversary' (ジョジョの奇妙な冒険の30周年) was celebrated on January 1, 2017. The anniversary commemorated the series being in publication for 30 years. It was a promoted milestone for the series which resulted in the occurrence of many promotional events as well as the release of promotional materials, most notably JoJo's Bizarre Adventure: The Official App and Hirohiko Araki JoJo Exhibition: Ripples of Adventure.

JoJo Festival in Morioh, S-city
JoJo Festival in Morioh, S-city was a special event held in Sendai, Japan from August 12, 2017 to September 10, 2017. The festival featured various Diamond is Unbreakable-styled attractions and shops spread throughout the city.

Hirohiko Araki JoJo Exhibition 2017
The Hirohiko Araki JoJo Exhibition 2017 was a special event held in Sendai, Japan during the JoJo Festival in Morioh, S-city event, where JoJo's Bizarre Adventure creator, Hirohiko Araki, presented various works of art to celebrate the 30th anniversary of JoJo's Bizarre Adventure.

Hirohiko Araki JoJo Exhibition: Ripples of Adventure
Hirohiko Araki JoJo Exhibition: Ripples of Adventure was a special event held at 'The National Art Center, Tokyo', Japan during the summer of 2018. Despite taking place the following year, the exhibition was marketed as the final project to celebrate JoJo's Bizarre Adventure's 30th Anniversary and featured the "largest display in the history of the JoJo manga series." A second exhibition was held from November 25, 2018 to January 14, 2019 at the 'Osaka Culturarium at Tempozan'.

Chronology

 * December 19, 2016: Announcement of 30th birthday.
 * February 19, 2017: JoJo Great Festival began.
 * February 20, 2017: JoJo's Bizarre Adventure: Diamond Records released on Android/iOS.
 * June 29, 2017: JoJo's Bizarre Adventure: The Official App released on Android/iOS.
 * July 2, 2017: JoJo's Bizarre Adventure: Diamond is Unbreakable (film) aired in theaters in Switzerland.
 * July 15, 2017: Escape From JoJo's Bizarre Amusement Park began.
 * July 19, 2017: Thus Spoke Kishibe Rohan: Short Story Collection Volume 1 released.
 * August 12, 2017: Thus Spoke Kishibe Rohan - Episode 8: Deoxyribonucleic Acid was published. JoJo Festival in Morioh, S-city and HIROHIKO ARAKI JOJO EXHIBITION 2017 began.
 * August 19, 2017: Thus Spoke Kishibe Rohan: Short Story Collection Volume 2 released.
 * November 1, 2017: Bulgari X Hirohiko Araki began.
 * December 19, 2017: Thus Spoke Kishibe Rohan: Short Story Collection Volume 3 released.
 * August 24, 2018: Hirohiko Araki JoJo Exhibition: Ripples of Adventure began.