I Woke Up Pregnant With An Undead's Child - Chapter 30

Left out during the elementary school picnic.

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.

Eight years on battlefield and returning in triumph, only then to realize that the important army general is a woman?

Empress Dowager pass an imperial decree, bestowing An Wangye younger brother Xia Yujin as Nanping Junwang and to take the great general as the wife.

In front of the person that kill people like flies, iron mask ruthless of the wife.

Talent-less Jun Wang, in a world of ice and snow fraught with emotional and lake-like tears, request for help, “How to uphold the man principal?”

- Description from Novelupdates

Upon waking, Wang Shan finds himself in Room 888, the most luxurious accommodation in Cloud City, typically reserved for the wealthiest. Despite his complaints about the “”subpar”” room, five stunning women are waiting to inform him of his first-place assurance in an upcoming test due to his powerful father’s influence.A stranger to this world from the 21st century, Wang Shan learns that martial prowess is paramount, categorized into nine realms. Today, he must take the One-star Cultivator test, despite his supposed lack of innate talent. His father’s status as the ruler and a formidable Two-star Expert guarantees his victory, but the arrival of the gifted Zhang Bao poses a deadly challenge.As Wang Shan bathes, he hears a voice in his mind: “”System binding, binding successful.”” A powerful trading system allows him to trade anything he touches, enabling him to instantly advance his cultivation. With newfound power, Wang Shan contemplates his next move. Will he overcome the threats and rise to greatness with the help of his mysterious system?