In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 71:

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.

He Tiantian had always treated the people around her with a grateful heart. Yet in her middle age, she discovered that she had been living in a deception filled with lies.Returning to the past, He Tiantian, with the assistance of the Little Silver Snake, began a new life.From a different perspective, so that was the truth!In this life, she would never again be willingly blind.In this life, she would never again miss out on or take for granted her childhood sweetheart, who had treated her with true affection. She would treat him well, trust him, and have a warm home.******

When Qiao Moyu awakened, she found herself in a novel world and had become the villainess who was loathed by the President, the story’s male protagonist.

Qiao Moyu, the President’s childhood friend, came to his door whilst holding a baby, but the man said he won’t take any responsibility since the child wasn’t his!

As she stared at her adorable and proud little toddler, Qiao Moyu decided to take this chance to raise her son while having a fresh start in her acting career. As for the other problems, she’ll just take it easy!

However, a few months later ~

President: “You’re not some disgusting mosquito blood, you’re my white moonlight (first love).”

Luo Luo: “Mama, he’s not Baobei’s father. Baobei doesn’t want him.”

A certain Film Emperor: “I want both you and the child.”

Online fans: “Qiao Moyu is ours!”

A young man from the Miaowei Tribe brought up by his strict father, suddenly turned into Wizard I on the day he was orphaned. He then obtained the ability to control giant worms.