TIMELINE

Year 0 - Konoha was created

Hashirama and Madara approx. age 25

Year 5: Uchiha Madara defects from the village; Uzumaki Mito becomes Kyubi jinchuriki

Characters: Madara, Hashirama and Mito approx. age 30

Year 5-6: Senju Hashirama and Uzumaki Mito's child is born. I don't know who the fuck this child is just think that he exists.

Name of child - Senju Fujirama

Hashirama around 31 years old

Year 7: First Five Kage Summit convenes; Tailed Beasts are distributed among the nations . Hashirama - 32 . Tobirama - 31

Oh i almost forgot sand hidden villages asked for fertile land to grow food

Year 7: Shimura Danzo born ( CELEBRATE THE BIRTH OF BLACK POT SHADOW)

Year 8: Hiruzan sarutobi born ( CELEBRATION FOR THE WEAKEST HOKAGE BIRTH)

Year 16 : mifune( iron country)

Year 19: Hatake Sakumo ( the white fang,)

Year 23: First Kazekage Reto is killed by assassins

Year 26: SHIKI HATAKE ( PROTAGONIST. BORN), 💐 🎉 ⭐ Tsunade, Jiraiya and Orochimaru and Kato Dan are born

Notes: Assuming that Tsunade's parents were at least the age of majority (20), then the earliest possible year she could've been born is Year 26. Her fellow students are all the same age according the the data book entries. Dan Kato's birth year is estimated based on his death, as he died at age 27 during the Second Shinobi war which started approximately in the Year 52-53

THE DIFFERENCE OF AGE BETWEEN SAKUMO AND PROTAGONIST IS OF 7 YEARS.

Year 28: Senju Tobirama founds the Academy; at some point prior to this event, Senju Tobirama becomes Hokage

Tobirama: 52 years old

Year 30: Uchiha Madara returns to attack Konoha; Senju Hashirama and Uchiha Madara engage in a life-or-death battle establishing the Valley of the End; Uchiha Madara dies by Senju Hashirama's hand and uses Izanagi to resurrect himself

H&M: 55 years old

Year 30: Senju Tobirama founds the Konoha Military Police Force and institutes the Uchiha clan as its leaders; ANBU is formed

Senju nawaki born

Senju Hashirama died ( The legend is no longer among us. May God bless his soul)

Year 31: Madara Faction of the Uchiha clan forms including Uchiha Setsuna

Our story starts from this year

Shiki Hatake : 5 years old

Year 33: First Shinobi War; Senju Tobirama dies at the hands of Kinkaku's battle unit; Sarutobi Hiruzen becomes Hokage

Senju Tsunade, jiraya, orochimaru graduated,; Team Hiruzan formed

Year 37: Hyuga Hiashi, Hyuga Hizashi, Uchiha Mikoto born

Year 40: Akimichi Choza, Yamanaka Inoichi, Nara Shikaku and Yakushi Nono are born

Year 41: Namikaze Minato and Uzumaki Kushina are born