Explanation

• Mark Zuckerberg founded Facebook
• It is an online social media and social networking service
• Owned by the American company Meta Platforms
• Founded February 4, 2004
• Headquarters: Menlo Park, California, U.S.
• 
  

Explanation

The 2025 Nobel Prize in Physiology or Medicine recognized work on peripheral immune tolerance

Awarded jointly to Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguch

They identified regulatory T cells (Tregs)—the immune system’s "security guards"—and the FOXP3 gene,

Explanation

 Hahn is involved in the German project aimed at developing an atomic bomb.

History:

On December 21, 1938, German scientists Otto Hahn and Fritz Strassmann split uranium atoms

and were surprised to find several lighter products, including barium-141, instead of the heavy elements they had anticipated.

Additional information:

J. Robert Oppenheimer was called the "father of the atomic bomb".

Explanation

German Inventor Karl von Drais is credited with developing the first bicycle.

His machine, known as the "swiftwalker," hit the road in 1817

Explanation

Jean-Jacques Rousseau was born on June 28, 1712

Died on July 2, 1778, at the age of 66 years.

He is called the Father of the French Revolution.

Explanation

Wilhelm Johannsen coined the term “gene” in 1909

Johannsen created "gene" from the Greek word genos, meaning "birth" or "race".

He  was a Danish botanist and geneticist

 He is best known for coining the terms gene, phenotype, and genotype, and for his 1903 "pure line" experiments in genetics.

Born: 3 February 1857, Elsinore, Denmark

Died: 11 November 1927 (aged 70) Copenhagen, Denmark

Explanation

• The computer mouse was invented and developed by Douglas Engelbart,
•  In 1964, at the Stanford Research Institute (SRI). 
• 1964: The prototype was built.
• 1968: Introduced to the public during the famous "Mother of All Demos".

Last update 0n 21-07-2026 by NA

Explanation

Christopher Columbus

• Born: 1451, Genoa, Italy
• Died: 20 May 1506, Valladolid, Spain
• Major Voyages: 4 transatlantic voyages (1492–1504)
• Sponsored By: Spain (Ferdinand II and Isabella I)
• Achievement: Opened the Americas to European exploration

Last verified on 18-01-2026

Explanation

Herodotus is called the Father of History.

Additional information:

• Born: 484 BC, Halicarnassus (modern-day Bodrum, Turkey)
• Died: 425 BC, Thurii, Italy
• Famous Work: Histories – detailed accounts of Greco-Persian Wars
• Contribution: First to collect, verify, and narrate historical events systematically

Last verified on 18-01-2026

Explanation

Samuel P. Huntington was an American political scientist.

He introduced the “Clash of Civilizations” theory.

He identified fault lines between civilizations as potential areas of conflict.

His theory sparked global debate on international relations and global conflicts in the 21st century.