Reborn into Young Master Huo’s Little Fairy - Chapter 539 - : He Came Over Late at Night

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 young boy genius, Suo Jia, is a water mage who dreams of being a warrior travelling the great and dangerous trade routes to find his lost father that set off on them before Suo Jia was born. Having to look after his sick mother, Suo Jia manages to find a way to solve all their problems, as well as make a name for himself. He gathers nobility, vast wealth, items of great power, knowledge lost to the ages, and exceptionally talented females around him as he plots and plans – preparing to set off on an epic journey that will go down in history as a new legend. However, will others that depend on his powers so much be willing to let him go on such a dangerous journey so easily?

Xiao in his first life didn’t have the talent to reach the top and during his life he was killed by one of the heavenly Opposers, then he was born again in the second world where he again faced problems, after surviving and dying in the second world he was again brought back to as a child in his first life, this time Xiao swore to lay low, he would use his future knowledge to get cosy with the characters that would become strong in the future, he would lay low and try to become an immortal while fulfilling his desires but how did things get so bad??

Reincarnated Empress: Xiao's the only man in my life, he's the one who caused my ambition to bring down the heavenly court to dust!!

The Forsaken Heavenly Beast: Brother Xiao's the one who saved my life and gave me meaning, he's the one who gave me the courage to go against the heavenly court!!!

Succesor Of The Medicine King: Brother Xiao's my role model, he's a true man!!, he's the only one worthy to rule the heavens, he's our heavely opposer's leader, the opposing Emperor!!

The True Mc: Me and Xiao might not be related by blood but I am more than willing to lay my life down for him!!, he's the reason that the group heavenly opposer's even exist and we will bring down those stuck up rulers of the heaven!!

Xiao: “......”

With her superb skills, Tang Ming has countless peach blossoms from small to large.

There is a President willing to contract fish ponds for her.

There are also overbearing male masters who are willing to make a fortune for her.

School grass keeps his body like jade for her, infatuated male leads are countless.

There are countless peach blossom debts, and the whole body is written with slag from top to bottom.

Until she encountered the system.

From then on, the road to ending slag, is getting farther and farther away…….

*School grass means the hottest guy in school.

- Description from Novelupdates