MTL - Genius Fundamentals - Chapter 156 give you

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.

In 1984, the appearance of Sean added another fire to the already chaotic public order in the United States and poured another barrel of oil…

What? You say he’s a source of chaos and a total badass?

you are gone!

Rebirth, Beauty Comprehensive, Coquettish Lawyer, Breaking Bad, Shanzhai, Hollywood, Iron Crotch, Security Group, a comprehensive business empire.

- Description from novelbuddy

Chi Yan had always had a weak constitution, and ghosts had always tried to kill him. He had tried many ways to change his situation, but it was all futile.

Coincidentally, Third Master Ye of Shiming City passed away, and a priest informed Chi Yan that Third Master Ye possessed the “look of demon,” Carrying a bit of this man’s ashes and installing an altar for him at home could help control the evil spirits around Chi Yan.

Left with no choice, Chi Yan took a gamble. Amazingly, it worked. However he didn’t expect that he’d be instead be haunted by the most persistent ghost of them all.

Obsessed with love, undying resentment, possessed by evil.

- Description from Novelupdates

Above the firmament, a giant Kun, stretching thousands of meters long, flew over the city, ignoring the barrage of missiles.In Australia, an apocalyptic serpent, thousands of meters long, destroyed cities and devoured millions, leaving slowly after the detonation of several nuclear bombs.In this perilous world, Chen Chu, who unexpectedly acquired the avatar of a six-horned salamander, felt somewhat bewildered.What could a palm-sized salamander do? Record videos to gain traffic? Catch shrimps in a creek? Or... evolve into a colossal beast?A six-horned salamander, also known as the six-horned dragon, with the ability of infinite evolution, was gradually evolving into a mythical apocalyptic beast.Its body length extended to hundreds, thousands, and even tens of thousands of meters...And with the characteristic of synchronized enhancement, Chen Chu's own body also grew stronger, with increasing power and speed, and even...