I Can Accumulate Proficiency, Starting from Alchemy - Chapter 974 - 407 Dai Zhe Ascends to Immortality The

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.

Yun Lintian, a man from modern Earth, found himself in a cliche situation that was all too familiar to him in novels: Being transmigrated! He had arrived in a magical cultivation-oriented world called the Azure World.

Unlike the other protagonists in various novels he had read before, Yun Lintian was left without any cheat device. Pill Emperor inheritance? Super God-like physique? He had nothing!

Did the God of Transmigration really leave him with nothing? How was he going to live in the world that strong preying on the weak?

Watch the journey of Yun Lintian in the foreign world as he grew up in power ranking along with his precious all-female sect!

An accident let him have a special ability to turn back time up to 1 minute. When he said the wrong things in front of his leader, he was able to return back to 1 minute before to correct what he said. During jade stone gambling and there was no jade inside, he turns back time to pick another stone. When the woman he likes met an accident, he can return back to 1 minute before to save her…… A small fry’s rise through the ranks of the government service starts……

- Description from Novelupdates

A conspiracy had brought her back from the countryside to replace his sister and marry the mysterious and eccentric Crown Prince.

As a tough girl She expressionlessly stretched her muscles and planning to block whatever came her way.

If that so called Crown Prince dared to touch her, she would definitely hit his head to the ground!

However, the strange crown prince seemed to have some misunderstood about her...

“My wife is obedient and sweet. Don’t scare her. ”

“My wife will have her final exams tomorrow. I need to go back early to tutor her. ”

“My wife is not knowledgeable and has a bad temper. But with me around, you have to indulge her. ”

In the upper class of S City, they received a warning from the young master of the Bo Family almost overnight: Madam Bo is a treasure. Whoever touches her will have their hands cut off!