Overpowered Archmage Doesn't Hide His Talent - Chapter 155:

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.

He is the great master of the Heavenly God Temple, under whom there are thirty-six Heavenly Stars and seventy-two Earthly Fiends, overseeing nearly half of the world's wealth.To uncover the secret of his origins, he holds a marriage certificate and hides away in the bustling city, becoming a live-in son-in-law that others see as living off his wife.His mother-in-law constantly mocks him and disapproves of the marriage, but little did she know that the world's richest man would visit personally just to leave a good impression on him.Ye Guichen felt helpless: Alright, I’ll come clean then...

Lin Zheyu transmigrates into an ancient world and becomes a storyteller to make a living. After being robbed several times, he decides to learn martial arts for self-protection.However, during one of his conversations with his master, Lin learns that this world is home not only to martial artists but also to demons.

Wei Huo has been ignored and overlooked by almost everyone his entire life, including God. In a bid to transform the world into a more game-like one, God halted time for all humanity except for Wei Huo, leaving him to fend for himself.