Shura's Wrath - Chapter 731 Catching The Lucky Cat

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.

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

Unconditional obedience to him? Dream on! Regrettably, after marrying Tang Yuchen, An Ruo's daily thoughts were of escape, escape, and more escape! Someone grew furious, “You want to flee? The only way out is if you die, or I perish!” Fine, she chose death! Yet he laughed wickedly, “Woman, do you intend to kill the son in your womb?”

[Space + Farming + Escape from Famine] The apocalyptic boss Bai Wutong took Space World to ancient times, and before he was happy, he found himself in a troubled era of escape!

Murder and robbery, making money and killing people, the price of sitting on the ground can be found everywhere.

Come up, she will kill two people.

She was kind enough to save someone, but she was deceived, stalked, and insisted on following her.

If that’s the case, don’t blame her for being jealous.

After finally settling down, he was assigned to the frontier to open up wasteland.

The sky is high, the emperor is far away, the fast piston is immortal, and Bai Wutong can’t ask for it.

Several years passed.

Bai Wutong accidentally led the richest man of the previous dynasty, the prime minister, the commander of the dark guard camp, the contemporary great Confucianism, the female saint, the magical doctor… and turned the barren land into a rich and noble town that everyone is craving.

The emperor came here with his ministers admiringly, looked at it, and was dumbfounded.

Isn’t the man who poured tea and water beside Bai Wutong the eldest son who has been dead for several years?

- Description from novelbuddy