I Have Become A Demon God. Did You Just Ask Me To Be A Minor Villain? - Chapter 33: Life is unpredictable. The large intestine wraps the small intestine!

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.

Joe finds himself kidnapped by aliens, shot at a planet inside a metal ball with a parachute strapped to it, and dumped on a planet full of people who can't speak with him. Now he has to figure out where he is, who captured him, why he was sent here, and, if possible, how to get back home!Great forces move as a young man finds himself suddenly taken from home by a strange people to explore a strange land. He does not know he is to explore nor does he even know who has taken him or why. Joe struggles to survive in a strange world of unusual peoples and cultures but his experiences prove to the task. Many learn from him just as much as he learns from them.Joe learns of the world, of the strange forces within it, and gains friends and a new family along the way. He will be ground to nothing, but will find himself once more.

Gu Bailu has transmigrated. She was in Dubai one second ago, but the next thing she knew, she finds herself in a deep, dark forest. To make things worse, her body has been poisoned and s*x is the only antidote. Thinking that she will die in the middle of nowhere, she somehow runs into a handsome guy who’s semi-conscious. Eager to rescue herself, Gu Bailu lies him down, not realizing that he is Prince Zi, a powerful and brutal man who has killed every woman that had approached him. Her life is saved, but she can’t get away from him…

The villainess sees herself executed in front of a large crowd by the order of the emperor (her husband and the one she loves). However in the next moment after her death, she is back in the past. Monique is sent back into the past because of her brutal memories of her previous life with a prince who was engaged due to their similar age. When Empress grew and looked at the past, she killed her emotions to live as an Empress and remained one emotion, that was sickening affliction. Where in her next life, she made new connections in order to avoid getting executed again…