God and Devil World - Chapter 1208: Tentacular King Beast!

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.

Ye Family goes bankrupt, and her fiancé's family watches coldly.Ye Li signs a contract and marries her fiancé's uncle in a flash marriage.After marriage, Ye Li is determined to repay the debt of one hundred million with interest, hoping to give Fu Yanci freedom so he can be with his true love.When it reaches 5 million, Fu Yanci gets upset.At 50 million, Fu Yanci leaves home for three days.When finally paying off the full one hundred million, Ye Li is cornered by the man: 'Divorce, huh? Sure!!! The family property is yours, and so am I! I'll follow you everywhere!'Ye Li: ......

Fate and destiny; no one can foreshadow the terrifying challenges on the road to the Pure Land. Instead, one may unearth the evil within the road of light towards paradise.

A King’s Holy Sword, bringing light to the darkness,

An unyielding soul, igniting the fiery hope of the world,

As his soul awakens, the youth fiercely battles the gods of darkness and evil,

As the surging dark clouds gushed out like a phantom, their conflict swept the world like raging tide!

The clash of darkness and light, a massive war on the verge of exploding,

The decisive battle of gods and deities rewrite the creation of the world into one destructive epic!

- Description from Novelupdates

A wise man once said all roads lead to Rome. He didn’t know how right he was.Ripped away from the battlefield, Tiberius and his six thousand Roman Legionnaires unexpectedly find themselves stranded in a foreign land of magic and witchcraft. With no way home, their path forward is obvious: conquer everything in sight.Much to the chagrin of Marcus—the poor, unsuspecting bard who summoned them.But taking over the world is not so easy. In order to stake their claim, the Legion will need to learn how to navigate the strange magics and abilities this new world has granted them. Abilities which, upon closer inspection, may prove the seed for a legend in the making…The dawn of a new empire looms on the horizon. Rome will rise anew as they seize cities, battle armies, and expand their territory across this strange and fantastical world. All the while, Marcus will need to figure out how to mitigate the force of nature he's unleashed upon his woefully unprepared world. That, or simply enjoy the front row seat to an epic in the making. Someone will need to tell the story, and who better aside from him?The die has been cast. The aqueducts are being built. And Rome will once more see glory.