During what period was Dragon Ball series created?
Which year was that Dragon Ball came out?
Do you know at what time Dragon Ball series was it produced?
Dragon Ball was released during what period exactly?
What time was it it at what time Dragon Ball was made?
The birth of Dragon Ball series took place in the year when it was formed.
During the period of its beginning, Dragon Ball series was.
The year in question is the one in which Dragon Ball came into being.
The specific point in history when Dragon Ball series came into existence has drawn much attention.
What specific year marks the birth of Dragon Ball series?