Explanation

• The term Geography was first used by the Greek scholar Eratosthenes.
• He lived in the 3rd century BC (around 276–194 BC).
• He is also known as the “Father of Geography”.
• He calculated the circumference of the Earth with remarkable accuracy.
• His work laid the foundation of modern geographical studies.

Last verified on 02-05-2026

Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

Explanation

The United Nations General Assembly has designated November 25 as the International Day for the Elimination of Violence Against Women (Resolution 54/134)

 since 1981.

Related to: The 1960 murders of the Mirabal sisters.

Theme 2025: UNITE to End Digital Violence against All Women and Girls

Explanation

• World Children’s Day is celebrated annually on 20th November to promote global awareness and improve children’s welfare.

Additional information:

• Founded: 1954
• Founder: United Nations
• Theme 2025: My Day, My Rights

Last verified on 07-03-2026

Explanation

Explanation

• The famous book "Al-Qanun" (The Canon of Medicine) was written by Abu Ali Sina.
• It is also known as Avicenna. 
• The book covers medicine, diseases, and treatments.

Last verified on 27-04-2026

Explanation

• Ibn al-Haytham is known as the Father of Modern Optics.
• He made groundbreaking discoveries about light and vision.
• His famous book is Kitab al-Manazir (Book of Optics).
• His research was done around 1011–1021 AD.

Last verified on 27-04-2026

Explanation

• The holy book of Buddhism is called the Tripitaka.
• It contains the teachings of Gautama Buddha.
• It is also known as the “Three Baskets” of Buddhist scriptures.
• It was compiled after the death of Buddha in early Buddhist councils.
• It guides Buddhist teachings, discipline, and philosophy.

Last verified on 12-06-2026

Explanation

Last verified on 09-11-2026