The #1 Pretty Boy of the Immortal Path - Chapter 14 - A Salted Fish

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.

Thiago has nothing—no money, no connections, not even shoes.Just raw talent, a dream, and a strange System only he can see.From the streets of Rio to the world stage, this is the story of a boy who plays to survive—and fights to rise.

Wei Chi transmigrated to the Nine Continents of the Celestial Realm. Initially, he was prepared to just be an honest third son of a family. However, after a turn of events, he had no choice but to inherit an entire divine cultivation plan.From then onward, his vibe changed a little.When he saw a girl with decent talents, he immediately asked, “Girl, are you interested in divine cultivation?”In the blink of an eye, 10 million years had passed.Numerous top-class empresses flew through the sky and showed up in front of Wei Chi.Wei Chi wailed and yelled,“I really don’t have any more cultivation methods!”“Please stop coming here!”“You’re all grown-ups now!”

God's Seal Cathedra Rex, Part Two!Two sons of the dragon, each different; a genius elder brother and a good-for-nothing younger brother, who despite being identical twins, are worlds apart. However, they share an identical desire for peace. On the night of their birth, the moon was high in the sky.