I became the Prime Minister’s Adored Wife after Transmigrating - Chapter 307 - : Snowflake Cake

In a world where Magic reigned supreme, Ruling over the Mythic Elements were the Holy Magicians of the Sacred Elements.

A young prodigy, Gabriel was selected as the Holy Priest in the Church of the Magic of Light. He was the youngest mage to awaken the most coveted element of light; his future was supposed to be bright... But one day, he disappeared as if the darkness had swallowed him up.

As Gabriel walked on the thin line between life and death while fighting for his life, something came in his life... Something that was going to change his life and the world forever...

Step on this unforgettable journey of light and darkness that transcends boundaries of space and time like never before...

In the ancient centuries of the yonder past, the heavens and the earth was rent, and in Long Ji Continent a tribe of dragons ruled supreme. But now, the dragons are extinct, and with a mysterious catastrophe descending, the fate of the world is at stake!

A teenager named Long Chen takes on the legacy of his father, chases after the mystery behind the sudden extinction of the dragons. In a lucky coincidence, he becomes the first ancient dragon warrior in an eon, with the responsibility to uphold the dragon tribe’s honor and the command of all dragons under heaven.

With the most passionate battles, heart-moving tender scenes, brutal slaughters, and filled with the majesty of dragons. On the advent of the catastrophe, millions upon millions of dragons descend upon the world again, bringing the world to the brink of an era of war.

For he of the ancient dragon tribe, is willing to paint the sky with blood, if only for the bonds of brotherhood; with a wave of the hand to reverse the flow of the galaxy, for a goddess worthy of praise; will pull the gods down from their celestial pedestal, sunder the heavens, for the good of all living things under the sky!

- 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.

In the online game Glory, Ye Xiu is regarded as a textbook and a top-tier pro-player. However, due to a myriad reasons, he is kicked from the team. After leaving the professional scene, he finds work in an Internet Cafe as a manager. When Glory launches its tenth server, he who possesses ten years of gaming experience once again throws himself into the game. Bringing with him the memories of his past and an incomplete, self-made weapon, his return along the road to the summit begins!

After fighting and scheming, who snatched away my glory? Under the tossing of the wind and rain, my dreams shall still appear as though they had never been shattered. In all its splendor, the path shall never be lost. Before the gazes of millions, this is where I return!

*Under the Gaming category, The King’s Avatar received the title for Best Work in 2013 and is the first and only 1000 Pledged Work (千盟作品). It has 23 million hits on Qidian and has the 2nd most recommendations in its category with 4.6 million recommendations.

- Description from Novelupdates