Isaac - Chapter 11

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.

Hit by a truck as a young man, after winning God’s ultimate lottery prize, I got to create a HOLY sh*t-like cheat ability of my choosing, create a harem, make loads of money, sleep with a random babe, and do anything I liked; it’s that kind of story.

Reach the peak of immortal cultivation and become able to run amok without fear!
Use the power of martial arts to rule the world and defeat heroes!

The weather changes at the whim and wave of a palm. He who cultivates both immortal techniques and martial arts, who could possibly defeat him!

Xiao Chen is a shut-in who purchased a ‘Compendium of Cultivation’. Soon after, he crossed over into the Tianwu World, a world ruled by martial arts. He then refined pills, drew talismans, practiced formations, crafted weapons and cultivated the Azure Dragon Martial Soul that had not been seen for thousands of years.

This is a story that tells of an exciting and magnificent legend!

- Description from novelupdates

Coming from one of the richest families in the world, everyone wanted something from her, and Cora felt she was never loved in all of her life. Desperate to find true love, Cora got married into a pauper she took a liking to and secretly helped him rise to the top. She pretended to be disabled and poor in order to prove to her family that he was a good man, but on the day she planned to reveal her identity to him, she found him cheating on her on their bed.Filled with so much rage, Cora vowed to crush him piece by pieces.Being this heartbreak. She vowed to never love again as well, but it felt like the world was waiting for her to be single because the moment she became single.Over a Battalion men wanted to marry her.