Explanation

•  On 3 December 1967, the world's first human-to-human heart transplant was performed by Dr. Christiaan Barnard
• at Groote Schuur Hospital in Cape Town, South Africa.
  
• Barnard performed a heart transplant on his patient, Louis Washkansky.
•  Louis Washkansky, 53, with heart failure the donor, Denise Darvall, was just 25.

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ND3-12-2022

Explanation

Explanation

Japan's monarchy is the oldest surviving monarchy in the world.

It was founded in 660 BCE, by Emperor Jimmu.

The official records of royal succession date back to Emperor Ōjin's reign in the 4th century.

However, they have recognized 125 monarchs till now.

Explanation

Saudi Arabia was the first country to grant citizenship to a robot, Sophia, in October 2017.

Sophia is a humanoid robot created by Hanson Robotics.

Explanation

 According to the "Out of Africa" theory, modern humans originated in East Africa around 200,000 years ago and migrated globally 60,000-80,000 years ago, replacing other hominins.