Paladin of the Dead God - Chapter 336.2

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.

This is a world where science and magic coexist.

Some people here seek powerful magic, and some seek eternal truth.

A science tyrant who came from another world, started as a little librarian, with magic in his left hand and truth in his right, kicking the door of the new century with one kick.

Some people call him the forerunner of magic, some say he is the founder of science.

Some people describe him that way.

In the new century, Blair is a symbol of evil.

- Description from novelbuddy

In order to seize the opportunity, the four-year-old Ayu was thrown into the deep mountain after the blizzard.

Fortunately, kindhearted people took it in.

The Wang family is so poor, sick, disabled, and indebted, but from top to bottom, they dote on her like a jewel.

Everyone said that the Wang family picked up a money-losing item, and sooner or later they would finish the game together!

Unexpectedly, this group pet doll is really a small blessing.

Xiao Ayu took out his small pocket and smiled sweetly: Portable Space, Super Spiritual Spring, Spirit-Testing Treasure Mouse, Ayu has everything you want!

There is revenge for revenge, there is revenge for kindness.

This blessing is incredible. He is not only a small farmer, but also a small business expert. He can also open an academy, open a sea trade, and establish a noble kindergarten. He has earned the favor of all the staff!

Watch the group Chong Fubao turn around and take the family to the pinnacle of life!

The time-travel girl and the villains were dumbfounded: it turned out that they were the ones who missed the golden finger!

- Description from novelbuddy

Su Xiaoxiu failed the college entrance exam and was admitted to a private university instead. Looking at the expensive tuition bill, her whole family was worried about how to pay for it. Should she take a gap year and retake the exam?

Just then, she suddenly got a progress system that gave her money every time she walked somewhere?! Looking at the large amount of money in the system, she was determined to improve herself and contribute something useful to society.