Speculations - Shanks rebuilt God Valley into his pirate base

One Piece Retrospective Pt.1: The Rubberman, Swordsman, Thief, and Liar

One Piece Film: RED Spoiler Talk (FULL SUMMARY) – The Library of Ohara

Theory about Shanks and God Valley : r/OnePiece

Buggy/History, One Piece Wiki

Common consensus seems to be, that when Kaido fought Oden 20 years back he wasn't in his prime, and is weaker than he is now. Given this pertains to the somewhat controversial topic of where Oden scales, exactly how much stronger do you think kaido

That's why the World Government let Luffy run wild despite having the Nika Fruit - One Piece

Shanks: The Mystery of God Valley

One Piece Chapter 1095 Spoilers hints at the God Valley Incident and Shanks' Celestial heritage

What is your personal opinion/review of One Piece? - Quora

How big is the One Piece universe? We entered the new world around episode 500 and there is like 1,100. We haven't even gotten halfway or to One Piece yet. - Quora

One Piece 1086 Spoiler Leaks: Here is everything about the God Valley incident revealed so far - Spiel Anime

Shanks' past reveals that God Valley was located in the West Blue..!

Speculations - Shanks rebuilt God Valley into his pirate base

That's why the World Government let Luffy run wild despite having the Nika Fruit - One Piece

How many One Piece theories have been proven correct and incorrect? - Quora