55 AHB - Hashirama and Madara fight at the Valley of the End.54 AHB - Hashirama is a bad influence on Tsunade.48 AHB - BLANKrama Senju sires Tsunade Senju.Gyūki is sealed within the first Jinchūriki of the 8 Tails, Red B.45 AHB - Ishikawa First Tsuchikage dies and Mu becomes Tsucikage.The Second Raikage immediately takes up the mantle and begins going to work to make peaceful relations with other nations, as well as making the attempt to apologize to Konoha and the Uzumaki Clan for his predecessor’s transgressions. The First Shinobi world war ends and the First Raikage dies standing, having refused to back down.He is ambushed and sealed within the Kohaku no Jōhei. Gyūki gets restless and begins causing damage along the Land of Lightning. She was allowed to roam along the Island Turtle due to her respective nature. The Eight Tails would be restricted and locked to the Valley of Clouds and Lightning, while the Two Tails was much more reserved and cooperative. As the war ends, the Eight and Two Tails are given to the Land of Lightning.Relations between Konoha and Suna become better while relations between Iwa and Suna worsen. Hashirama returns Shukaku to Sunagakure and sells fertile land to Suna as well.However, knowing that Hashirama is going to die soon and that they cannot possibly keep all of the Tailed Beasts in check without Hashirama, Konoha decides to use the Tailed Beasts as bargaining chips to settle the war and establish peace. 40 AHB - With all the Tailed Beasts at their disposal, Konoha wins the First Shinobi World War.This creates enmity between Konoha and Suna. Hashirama kills Bunpuku in battle and then seals Shukaku away.But had to use most of his life force to do it. Hashirama manages to divide the 10 Tails back into the Tailed Beast and then seal them separately this time. Because the Demonic Statue of the Outer Path was not used though, Kaguya was not revived. Accidentally recreating the 10-Tails in the process. 39 AHB - Konoha realizes the danger the Tailed Beast pose to them if the other villages attain and exploit them, so Hashirama hunts and seals away all of them.To counter the Gold and Silver Brothers, with Reto's blessing, Shamon defeats and seals away Shukaku.38 AHB - To counter the Gold and Silver Brothers, Madara brainwashes and brings in the actual Nine Tails.The Gold and Silver brothers fail at trying to capture Kurama.They fail, but they gain an aspect of its power. 37 AHB - A year into the First Shinobi World War, the Gold and Silver Brothers attempt to capture the Nine Tails.It is then when the Second Raikage-to-be deems that the First Raikage is going to far and begins to use his power and influence as the First Raikage’s right-hand man to minimize damage. 36 AHB - The First Raikage orchestrates the destruction of Ushizogakure.And so the First Shinobi World War begins. Most go to Konoha to tell the tale, who respond with open warfare.
36 AHB - The "Cold War" of alliance-forming explodes into war when Uzushio is attacked and destroyed, causing Uzushio people to become refuges throughout the land.Due to the Yotsuki’s loyalty in the Raikage’s efforts, they are given the Valley of Clouds and Lightning to inhabit.
The First Raikage was not attempting to be a "rival", rather it was more concerned with being top dog. By this time, The First Raikage along with the other villages have caught up to Konohagakure and rival them in power.BLANKrama Senju is born to Hashirama and Mito.In response, Konoha forms an alliance with Uzushiogakure in order to double its power and maintain its supremacy. 30 AHB - After 5 years of foundation and progress, the other villages catch up to and rival Konoha.The first Raikage is more concerned with protecting his land and accumulating power to do so. Sunagakure is founded by Reto, who hunted down and subjugated all of the Land of Wind's shinobi.During this time, Konoha expands without competition or problem. 25 AHB - Konohagakure's power and success inspires copycats across the land, causing the foundation of other villages.19 AHB - Senju defeat the Uchiha, but the Hashirama convinces Madara to join with the Senju instead of being subjugated.3 Second and Third Shinobi World War Era.