Back to 1985: Spicy Pretty Wife - Chapter 375

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.

Orson transmigrated into the body of a villainous young master in an overpowered protagonist novel, and the first thing he had to do after waking up was to welcome the protagonist, the real young master, back to the family?Is it too late for me to start sucking up to the protagonist now?I took the initiative to find my fiancée to break off the engagement, but her older sister wanted to take her place and marry me instead?To protect the real young master, I berated the imperial princess, but she secretly fell in love with me?I actively pushed the heroines toward the real young master, but the heroines forced me to become the yellow-haired villain!It’s over, truly…

Feng Shao, who traveled to another world, only wants to make the sect flourish.But gradually, Feng Shao realized that something was wrong.Why do some people always have frighteningly high luck?Why are there always some people who can easily win the favor of beautiful women?Why do people always go around casually, and treasures automatically come to the door?Also, why do these guys always find trouble with him?Even the master who has always favored me has begun to despise me?Feng Shao, who was in charge of the mysterious artifact Tianhua Jade Slip, finally discovered that in the process of using the Tianhua Jade Slip, his own luck would gradually change to the direction of a villain.So I’m going to be a stepping stone to these sons of fortune?I, Feng Shao, must never be led by a dog so easily! If I’m not allowed here, then I’ll break out of my own world!

The harassment from my in-laws who looked down on me because I was a commoner.My wife who indifferently watched me.It’s been 10 years since I escaped from them.A fallen family.But my wife, even in her death, still wore her wedding ring.