Split Zone No.13 - Chapter 276

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.

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

In her previous life, Su Jin was conspired by her family. Her baby was born through Caesarean birth, she had her eyes gouged out, and died tragically. When she was reborn, she suppressed the invincible Master Xiao. Her red lips lifted slightly as she said, "Handsome man, I see your yin tang has turned black. There will be a disaster in three days. If you want to resolve this calamity, marry me. I guarantee you will have safety, security, many children, and many blessings for the rest of your life.” Xi Chenxiao replied, “Get lost.” Three days later, he was rushed to the hospital. Su Jin said, “Handsome man, I reckon your heart may soon get pierced by an arrow.” Xi Chenxiao answered, “Get away from me!” Two days later, Xi Chenxiao was once again rushed to the hospital. Su Jin started, “Handsome man, I…” Xi Chenxiao interrupted her, “Stop! Let’s get married right now!” News of the overwhelmingly wealthy and powerful Xiaoye marrying the Su Family’s older daughter, a nobody, spread like wildfire. His brothers were puzzled but Master Xiao explained, “A wife to bless us with safety.” However, later… A fan asked, “Master Xiao, I heard that your wife is the world-famous voice actor.” Xi Chenxiao was confused. A reader asked, “Master Xiao, I heard that your wife is a greater writer.” Xi Chenxiao was confused. A little boy asked, “Master Xiao, I heard that your wife is a top hacker.” Xi Chenxiao was confused. “What are you guys talking about? My wife is a fortune teller!” [A little theatre] One day in a small, black house. Xi Chenxiao sat on a chair, his face a look of solemnity. “Tell me, then. How many more things are you hiding from me?” Su Jin shook her fingers and answered, “There aren’t many left, only that I’m a Qiuming Mountain racer, a certain boss in gaming, a certain talented right, and a special researcher of the International Research institute…” Xi Chenxiao was speechless. His wife was the real deal!

After an ultimate battle against the King of Hell Lucifer, Asmodeus, the Vampire Emperor, has fallen. Although he lost, he died without regrets and with a smile, prideful that he had managed to corner the King of Hell himself to such an extent.

However, due to a sick twist of fate, Lucifer himself decided to reincarnate him into the feeble body of a human child named Blake, desiring a rematch in the future!

Now, given a new opportunity at life, Blake will use every possible way to grow stronger and protect his new family in a turbulent world where people can summon spirits to fight and develop their magical powers.

Armed with only a Grimoire, he’ll slowly summon all of his previous life subordinates, who are all powerful Vampires, and rise to the top while fighting the ever-growing menace of the Demon Towers.

Accompany Blake through a journey filled with excitement and growth and experience the rise of the Vampire Emperor. A new Era of Blood is about to begin.