Former Interstellar Mercenary In Urban Cultivation World - Chapter 1251: The Reckoning

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.

[Group Pet + Koi + Prediction + Boss + Vest + Food]

The scientific research boss travels through the farmhouse, and the sick child becomes a three-year-old fan who spits milk. Comes with a koi physique, full-level genius doctor skills, and proficient in growing delicious food…

Wait, when did I have an extra predictive skill? The misfortune of the father, mother and elder brother is easily resolved by the milk dumpling, and the unlucky physique of the fairy brother is cured without medicine, and Xinbao only wants to eat, drink, play and be a rice worm in this life…

- Description from novelbuddy

Sulí woke up from chaos without any memories, and without a system on her, simply living through each life cycle indifferently, guided by some mysterious force. Slowly, she realized that in every life, her identity was that of a supporting character with a bad ending...A wife discarded by her husband,The leading student led astray,An ordinary girl taken down by vanity,A childhood friend with toxic tendencies,Romances entangled with embroidered balls,The so-called phoenix men...After countless lifecycles, amassing immense merit and golden radiance, Sulí found out that things were far from being as simple as she thought.

[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