My Crown Prince Consort Is a Firecracker! - Chapter 3128: Heavenly Feather

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.

*WSA Entry****Alex, born into the illustrious and undeniably gifted Blackwood family, was a stark anomaly. While his siblings excelled in everything from music to sports, h e was a blank canvas, utterly talentless. This ostracized him, making him a target for his family's disdain and bullying from his classmates. Finding solace only in the world of anime, Alex retreated into his room, spending days in a state of squalor, fueled by ramen and the fantasy worlds on his screen.One day, while attempting to microwave a plastic container filled with ramen (because even basic kitchen skills were beyond him), the microwave exploded, turning Alex's room into a scene of hilarious destruction. Instead of dying tragically, he finds himself resurrected…in the anime he loved the most, “Swords and Sorcery,” a fantastical world brimming with magic and adventure.As Alex, now a fresh-faced young adventurer in this new world, he discovers he can wield the powers of any character from any anime he's ever watched. Suddenly, his days of being mocked for his lack of talent are a distant memory. He can summon the mystical powers of a powerful wizard, the strength of a legendary warrior, or the agility of a skilled ninja. He even discovers he can tap into the magical abilities of characters from lesser-known anime, like a charming witch from a forgotten shoujo series or a cunning strategist from a tactical mecha anime.Armed with his vast anime knowledge and newfound abilities, Kai embarks on a life of self-discovery and adventure. He'll navigate the complexities of this magical world, forge alliances with unlikely heroes, and face off against powerful foes, all while striving to prove his worth and overcome the trauma of his past. But as he dives deeper into this fantastical world, he'll face a new challenge: can he learn to be happy and find his place in this world, free from the shadow of his former life?***“HAHAHAHAHA! All those useless Isekai animes animes I watched was not for waste after all...Stupid old man! Why don't you laugh at this?”

Ever since the appearance of the Tower of Genesis twenty years ago, children's dreams began to change. Becoming a Hunter became the most popular aspiration.The same was true for Nathan Cole. But unfortunately, the Tower had yet to summon him. The Awakening he longed for never came.Until one day, he was suddenly summoned into the Tower. He was overjoyed—but the happiness didn’t last long.Nathan had been summoned… because of a bug.

To pick is to choose. This is a story about choices. Three thousand world full of gods and demons, with a daoist scroll in your hand, you are able to control the entire universe…

At the beginning of time, a mystical meteor came crashing down from outer space and scattered all over the world. A piece of it landed in the Eastern Continent. There were mysterious totems carved upon the meteor. Through viewing these totems, the humankind comprehended the Dao and established the Orthodoxy.

Several thousand years later, the fourteen years old orphan Chen Changsheng left his master to cure his illness and change his fate. He brought a piece of marriage vow with him to the capital, thus began the journey of a rising hero.