The Prime Minister’s Darling - Chapter 1453 - 709 Grandparent and Grandchild Meet (Second Update)

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.

A poor boy whose parents died accidentally found a mysterious space and set foot on the avenue of cultivating immortals. From then on, he planted spiritual herbs, refined elixir, opened shops, trained troops, and established a fairyland…

This article is about cultivating immortals and farming, not for mortals, not for stallions.

【 Top Divine Doctor Novel, Absolutely Electrifying】Famed throughout Dragon Empire as the Sect Leader of the Holy Medicine Sect - Qin Han, unexpectedly reincarnated into another body, looked at his delicate wife and swore to redo everything, to slay the enemies behind it all. Simplicity and rudeness are my art of conduct, and 'if you don't agree, we fight' is my attitude toward life! Think you can do whatever you want with money? Sorry, my bank account balance has more digits than your social security number! Think you can do whatever you want with power? Sorry, with a wave of my sleeve, leaders of various nations queue up waiting for my medical attention! Think you can do whatever you want with people? Sorry, at my command, the entire Holy Medicine Sect springs into action! Watch how the Sect Leader of the Holy Medicine Sect dominates the Flower Capital, punches bullies, steps on arrogant youths, and unifies the forceful world!

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates