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.

Explanation

• WWE: Professional wrestling entertainment company (not owned by Elon Musk)
• Tesla: Electric vehicle & clean energy company
• SpaceX: Private aerospace manufacturer and space transportation company
• Starlink: Satellite internet service under SpaceX
• Other Companies by Elon Musk: Neuralink, The Boring Company, X (formerly Twitter)

Last verified on 17-01-2026

Explanation

• Scientist: Edward Jenner
  • Discovery Year: 1796
  • Vaccine Type: Smallpox
  • Significance: First ever successful preventive vaccine
  • Extra Fact: Smallpox was declared eradicated in 1980 by WHO

Additional information:

• Edward Jenner is often called the “Father of Immunology.”

Last verified on 16-01-2026

Explanation

• Founder: Mark Zuckerberg
• Founded in: February 4, 2004
• Headquarters: Menlo Park, California, USA
• Users (2023): Over 3 billion monthly active users
• Parent Company: Meta Platforms Inc.

Last verified on 16-01-2026

Explanation

• Pascal’s calculator was called the Pascaline.
• John Mauchly co-invented the ENIAC (first electronic computer) much later.
• Harvard Aliken is unrelated to the first calculator.

Explanation

Explanation

Dynamite was invented by Alfred Nobel in the 1860s.

Additional Information REKATED ALFRED NOBEL

He was a chemist from Sweden.

Full name: Alfred Bernhard Nobel

Born: October 21, 1833, Stockholm, Sweden

The founder of the Nobel Prize

Invented Nitro-glycerine in 1875.

Died: on December 10, 1896, in Sanremo, Italy