During what period was Dragon Ball created? What year was it that Dragon Ball came out? Have you heard when Dragon Ball series was it produced? Dragon Ball series came during what period exactly? What time was it during what period Dragon Ball series was it produced?
The development of Dragon Ball occurred at the time when it was crafted. During the period of the origin, Dragon Ball came into existence. The year in question is the one in which Dragon Ball came to life. The exact point in history when Dragon Ball came into existence has drawn much attention. What particular year marks the creation of Dragon Ball series?

Chronologie de Dragon Ball Wikipédia