Question

please tell me the chronological order of the Dragon Ball series

Answer 1

Here is your answer:
Dragon Ball(1986–1989)
Dragon Ball Z(1989–1996)
Dragon Ball GT(1996–1997)
Dragon Ball Kai(2009-2011; 2014-2015).
Dragon Ball Super (2015–2018)
Dragon Ball Heroes (2018-)
Hope it helps

Answer 2

1) Dragon Ball (1986-1989)

2) Dragon Ball Z (1989-1996)

3) Dragon Ball GT (1996-1997)

4) Dragon Ball Kai (2009-2011)

5) Dragon Ball Kai: The Final Chapters (2014-2015)

6) Dragon Ball Super (2015-2018)

7) Super Dragon Ball Heroes (2018-present date)