Villain – Peeking at the Diary, the Female Leads' Personas Collapse - Chapter 110

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.

On an apparent normal Sunday, Luke suddenly woke up after hearing a voice warning him of something weird. After assuming that it was just a bizarre dream, he felt an earthquake that nearly destroyed his dormitory. As if things weren't odd enough, a zombie suddenly appears in his room and targets him.Somehow, Luke survived several encounters against the zombies thanks to his skill Weapon Augmentation, but then he suddenly finds a mini-sized elf and a mini-sized dark elf telling him that they want to help.After a stranger offer, Luke learns that something very big is happening with the planet, and now he will have to find the strength to fight against zombies and all kinds of weird creatures that want his neck... he will do all that while avoiding being tempted by those two very suspicious elves.The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with actual persons (living or deceased), places, buildings, and products is intended or should be inferred.

He doesn’t want to be wanted for bounty, or be a pirate, but if there’s no other choice, he can only become a pirate…..

In the early world of immortal cultivation, there was no physical cultivation among immortal cultivators. And a top bodybuilder who came from the earth has opened up a new path here and became the ancestor of physical training.

- Description from novelbuddy