MTL - Otherworldly White Dragon Lord - Chapter 1182 From Doomsday to Another World (Part 1)

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 the land of the Xia Kingdom, every human being is born with what is known as a ‘resonance’, either to a specific element or a powerful, mythical beast. Unfortunately, Li Luo was born with an incredibly rare condition known as a blank resonance – as the name suggests, he doesn’t have one! Normally, this would be utterly crippling, but at least he has the advantage of being the young master of the mighty House Loulan, one of the five Great Houses of Xia. Unfortunately, his parents, the powerful masters of House Loulan, have gone missing for many years, and the other Great Houses are beginning to eye their holdings quite hungrily. For that matter, plenty are also eyeing his talented, beautiful childhood friend and fiancee Jiang Qing’e, who has been leading House Loulan in his parents’ stead! Li Luo would much rather keep a low profile and wants to call off the engagement – but Jiang Qing’e has flatly refused. What’s a ‘useless young master’ to do?

Hiding in the Cold Palace and eventually becoming a Boss of Sorts. Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system.

The national emperor game is coming, and all human beings will travel to another world to become emperor.

Everyone gets the Emperor attribute bonus.

Righteousness, morality, force, strategy…

However, at the same time, everyone has to encounter a crisis,

Eunuch dictatorship, border chaos, harem curtains…

Unfortunately, the attributes that Chen Mu got at the beginning were,

The favorability of all the people has been greatly reduced.

But fortunately, Fang Ping, a programmer, brought his own plug-in, a tyrant simulator.

[Please select three from the next ten talents to start the simulation. 】

[In the first month, you are enthroned as emperor! 】

【In the second month, you died…】

[The simulation is over, you can choose a talent]

…

After the novice period is over, when other emperors are gearing up and planning to conquer cities and lands, and unite the universe and become a country of all nations,

An emperor named “Tyrant” smiled happily.

- Description from novelbuddy