The Beautiful Wife of the Whirlwind Marriage - Chapter 1 - Did You Sleep with the Wrong Person?

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

She, the top goddess in the showbiz, officially announced her marriage, with her husband's identity remaining a mystery.One day, a news story went viral claiming that she was seen entering a villa with a strange man in the midnight and didn't leave until morning.Someone recognized the man as a financial tycoon, who is mysterious and low-key, and no one dares to offend him.That day, she clarified the rumors during a live broadcast, “It's all rumors. Please don't misunderstand. We are just friends.”Just then, he himself stepped up and said, “That's right. We're just friends for now.”...Everyone knew that their marriage was just a commercial arrangement devoid of any real emotion; otherwise, he wouldn't have left his wife to go abroad for two years right after their wedding.Just when everyone was waiting for their divorce, a secretly shot video suddenly went viral online.In the courtyard, the man who was always casual, proud, and superior, knelt on one knee in a pious posture, massaging the woman's ankle. His low and sexy voice captivated everyone watching the video as he said, “Sweetie, would you like to remarry me?”Damn! It's so sweet!

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.

The people of Dafang village all say, the personality of the Lian family’s eldest daughter changed dramatically after her engagement was cancelled by her fiance’s family. She became extremely forceful and unreasonable. After hearing this, Lian Fangzhou secretly thought: Forceful? My parents are dead, my little brothers and sister are still young, with no one lending a helping hand, there are too many people looking to bully us showing up at my door! There’s still the most shameless pair of uncle and aunt eyeing our few acres of land, and even scheming to sell me off as a concubine! Treating my siblings as servants at their beck and call! If I was not forceful, how would we be able to live in peace? Don’t tell me that I should act like the previous Lian Fangzhou and die from extreme anger? In order to quell this bunch of demons, break out a wide path to walk on, angelic faces are useless, only the tricks used by malevolent spirits are the way to go!

- Description from Novelupdates