JoJo's Bizarre Adventure's 25th Anniversary

The JoJo's Bizarre Adventure series celebrated its 25th anniversary of publication in January 1st, 1987. The anniversary was a promoted milestone for the series which was the occasion for the happening of many promotional events as well as the release of promotional materials, most notably JoJo's Bizarre Adventure: The Animation.

Description
The 25th Anniversary of JoJo's Bizarre Adventure was a year-long promotional event occuring during 2011, the entirety of 2012 and continuing into 2013 during which the JoJo's Bizarre Adventure series and its author Hirohiko Araki's success was celebrated. It was also a widespread promotional event in Japan which has been a key factor for the (re)popularisation of the franchise within Japan and overseas.

Chronology

 * End of 2011: Announcement of 25th birthday.
 * September 16th: Publication of Purple Haze Feedback
 * September 19th: Publication of JORGE JOESTAR
 * December 16th: Publication of JOJO'S BIZARRE ADVENTURE OVER HEAVEN
 * January: Anniversary billboard put at Tsutaya's front window in Shibuya
 * April 17th: Publication of JoJo's Bizarre Words
 * June: Creation of the Google+ JoJo+ fan page.
 * July: Da Vinci feature issue of Araki.
 * July 5th: First announcement of JoJo's Bizarre Adventure: All-Star Battle
 * July 28th - August 14th (Sendai)/ October 6th - November 4th (Tokyo): Hirohiko Araki JoJo Exhibition 2012
 * October 5th: Publication of JOJOmenon
 * November 6th: First airing of JoJo's Bizarre Adventure: The Animation, Episode 1.