Are there multiple timelines due to Trunks travelling back in time?
So, correct me if I'm wrong, but are there multiple timelines due to the influence of Trunks? This isn't a fan theory, this is how I interpreted the show based on watching it. Basically, I thought there was one timeline up to Season 3 of DB-Z and then the most of the movies happen, explaining some of the plot holes some who may not understand that get confused with, then Trunks goes back before some of these movies happen in Season 4 and the show continues from there on a separate timeline where the events of GT didn't happen and stuff.
Basically, I'm asking if I'm misinterpreting it and if I am, what is the actual timeline of the DB franchise
TIMELINE 1
1) DB
2) DB-Z: Dead Zone
3) DB-Z Seasons 1-3
4) DB-Z: World's Strongest
5) DB-Z: The Tree Of Might
6) DB-Z: Lord Slug
7) DB-Z: Cooler's Revenge
8) DB-Z: The Return Of Cooler
9) DB-GT
10) DB-Z: The History Of Trunks
TIMELINE 2 (Everything to DB-Z Seasons 1-3 already happened but Trunk goes back in time)
4) DB-Z Season 4-6
5) DB-Z: Super Android 13
6) DB-Z: Broly, The Legendary Super Saiyan
7) DB: Plan To Eradicate The Super Saiyans
8) DB-Z Season 6
9) DB-Z: Bojack Unbound
10) DB-Z Season 7
11) DB-Z: Broly, the Second Coming
12) DB-Z Season 7-8
13) DB-Z: Bio Broly
14) DB-Z Season 8-9
15) DB-Z: Fusion Reborn
16) DB-Z Season 9
17) DB-Z: Wrath Of The Dragon
18) DB-Z: Battle Of The Gods
19) DB-Z: Resurrection F
20) DB-Z Season 9
21) DB-S
~NW~