MTL - Mysterious World: I Live Forever By Hanging Up My Phone! - Chapter 369 Five days and one thousand furnaces, Danfeng tops the list of military exploits! [2/4,

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

A boy from 21st century Earth, met an accident and later was reborn in Naruto’s Ninja World.
He is born in Uchiha Family and becomes the useless brother of Itachi Uchiha and Sasuke Uchiha…. Let’s see how he changed the Naruto world.

- Description from Novelupdates

A soul was transmigrated into Narutoverse but was refused to be given any sort of insta-OP power, instead, he could choose from three talents.

Follow him and his loved ones on their journey to become strong as they pave their own path through the battle-filled world of Naruto.

Will they be villains? For some, surely.

Will they be heroes? For others, maybe.

But anything they do is due to their own desire.

Absurd! Reincarnating as a newborn in a demon-infested world, the overturning system arrived 30 years early.[At 30, after enduring endless hardships, you have achieved nothing and remain a loner. Reward: Late Bloomer (Talent) - Effect: The older your bones, the faster you cultivate.][Overturning mission: Defeat Chen Yuan at the sixth level of the Guiyuan Realm within a year. Reward: Swordsmanship entry-level]One-year-old Chen Yi looked at the content on the panel, then down at his small arms and legs, falling into deep thought.'Damn! This system definitely arrived too early!''I'm only a year old, what good is the Late Bloomer talent now?''And Chen Yuan of the Guiyuan Realm...'...Years later, war reports came from the frontlines.'The Tianyuan Continent’s top ten martial arts prodigy, Champion Marquis of the Wei Dynasty, the Amorous Young Master, Sword Saint Chen Yi, slaughtered 100,000 demons on the battlefield of Taizhou Mountain to celebrate for the human race!'However, Chen Yi looked at the battlefield flowing with rivers of blood and shook his head:'I’ve been making overturn since I was one, experiencing countless life and death situations to achieve my current cultivation level. It’s not surprising you can’t resist!'Those 'life and death' crises were terrifyingly daunting.The big brother at one year old, childhood sweetheart at five, senior brother at ten, princess at a tender age...Who understands my hardships?PS: Infant stream, system-arriving-early stream, light-hearted, humorous, passionate.PPS: Also known as 'Starting the Overturn as an Infant', 'Reborn as an Infant, What an Overturn! ', 'Talking is Useless, It's Time to Fight.'