Mr. Bigshot Is Obsessed with His Hidden-Marriage Wife - Chapter 15 - : Getting into Jiang Yuan’s Car

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.

I Became Hades, the God of the Underworld from Greek and Roman Mythology

After she had transmigrated into the body of an abandoned wife of a little marquis in Ancient China, Su Nuan Nuan, a modern-day food lover was delighted!

Shen Huai was abandoned by his artists, and took over one who no one was optimistic about net black newcomer Ye Cang.
Ye Cang caught fire all over the country. Everyone else thinks it’s Shen Huai tune. Only Shen Huai knows. His artist is a superstar reborn. Later, Shen Huai gathered again-“the legendary film queen of the period of the Republic of China,” the unsurpassed Golden supporting role in the History of the Republic of China, “the Queen of Love songs popular all over the country in the Last Century,” and “the greatest superstar in a hundred years.” he breathed a sigh of relief: I don’t have to go back and inherit tens of billions of dollars

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