Later, He Became A Royal Healer - Chapter 4 - Everyone's Goodness.

Shen Miao, the Di daughter of a military lineage, pure, amiable, quiet and yielding, foolishly in love with Prince Ding, threw herself into the role of a wife.

After assisting her husband for six years, she finally became the mother of the world (Empress).

She accompanied him to fight for the country, flourished the country’s territory, took risks to become a hostage in another country. When she returned five years later, there was no place for her in the Inner Palace.

The beauty in his arms smiled brightly, “Older sister, the country is stabilized so, you should retire.”

Her daughter met with a violent death and her son the Crown Prince was deposed. Her Shen family who sacrificed themselves for the country and the Emperor, not a single one of them were lucky enough to escape. With the change of one dynasty, everything was overturned. Her clan perished and she had to mourn for her children.

Shen Miao never thought that being a married couple who have gone through trials and tribulations and mutually assisted each other was just a stage joke to him!

He said, “Seeing that you have followed Zhen for twenty years, Zhen will grant you an intact corpse. You should thank this kindness.”

Under the three Chi (1 chi = 1/3 meter) of white silk, Shen Miao made a malicious vow: In the time to come, she will take part in each and everyone’s end!

Upon rebirth, she returned to the time when she was fourteen, when the tragedy had yet to occur, her family was still alive and she was still the pure, amiable, quiet and yielding Di daughter of a military lineage.

Relatives hiding a black heart, Elder and younger (female) cousins are ruthless and malicious, the new Yiniang is like a tiger watching its prey and the disreputable man who wants to repeat the events?

Her family must be protected, the huge enmity must be avenged, the Imperial seat of the country must also be a part of the trophy. In this lifetime, let’s see who can beat the others!

Su Mo is a late bloomer, introverted and not very good at communicating with strangers.

I thought that my life would be so dull, but after participating in a national game “Star Ring”. Rediscovered the joy of life and embarked on the road to the top of the throne.

- Description from novelbuddy

The Human Emperor and his opponents were embroiled in a 33 day long final battle involved the strongest experts. After destroying the Abyssal World and sealing the Abyssal demon king’s godly weapon‘ a mysterious purple card disappeared into the space-time vortex‘ and tunneled through infinite space-time.

In the vast wilderness‘ where martial arts was still slowly growing in its infancy‘ several peerless masters tried to find their path in the world of martial arts.

A young adult named Yi Yun from modern Earth had unwittingly stumbled into such a world and began that journey with a purple card of unknown origin.

It’s a magnificent yet unknown true martial art world. This is the story of a normal young adult turning into a legendary peerless expert.

- Description from novelupdates

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.