In what year was Dragon Ball series developed?
What year was it that Dragon Ball series came?
Have you heard at what time Dragon Ball was it developed?
Dragon Ball series came during what period exactly?
What year was it it during what period Dragon Ball was created?
The birth of Dragon Ball occurred at the time when it was manufactured.
In the year of the beginning, Dragon Ball was.
The year in question is the one in which Dragon Ball series came to
life.
The specific point in history at which Dragon Ball was has captured much curiosity.
What specific year marks the birth of Dragon Ball?