Explanation

Nelson Mandela International Day is an annual international day in honour of Nelson Mandela, celebrated each year on 18 July, Mandela's birthday.

The day was officially declared by the United Nations in November 2009, with the first UN Mandela Day held on 18 July 2010. 

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Explanation

• Name: Sukkur Barrage (Lloyd Barrage)
• Location: Sukkur, Sindh, Pakistan
• Construction Period: 1923–1932
• Length: About 2 km (1 mile)
• Number of Canals: 7

Additional information:

Other major barrages on the Indus River include:

• Guddu Barrage (1957–1962)
• Taunsa Barrage (1958–1959)
• Chashma Barrage (1966–1971)
• Kotri Barrage (1955–1959)

Last verified on 14-03-2026

Explanation

• Bolan Pass is located in Balochistan.
• The pass connects Sibi with Quetta through the Toba Kakar Range.
• Bolan Pass is often called the gateway to Balochistan.

Additional information:

• Khyber Pass – Khyber Pakhtunkhwa
• Lowari Pass – Khyber Pakhtunkhwa
• Khunjerab Pass – Gilgit-Baltistan
• Shandur Pass – Between Gilgit-Baltistan and Khyber Pakhtunkhwa

Last verified on 11-07-2026

Explanation

• Anthropology is the study of human life, culture, and societies.
• It examines human origins, customs, beliefs, languages, traditions, and cultural development.
• Anthropology helps us understand how humans have evolved and how different cultures function.

Additional information:

• Sociology: Human society and social relationships.
• Psychology: Human mind and behavior.
• Biology: Living organisms and life processes.

Last verified on 21-07-2026

Explanation

• Country: Australia
• Founded: 16 November 1920
• Headquarters: Mascot, New South Wales, Australia
• First International Passenger Flight: May 1935
• Full Name: Qantas Airways Limited (Originally: Queensland and Northern Territory Aerial Services)

Additional information:

• Emirates → United Arab Emirates (UAE)
• Saudia → Saudi Arabia
• Malaysia Airlines → Malaysia
• Pakistan International Airlines (PIA) → Pakistan

Last verified on 21-07-2026

Explanation

Last verified on 30-04-2026

Explanation

• The portion of the Kaaba's wall between its door and Hajr-e-Aswad is called Al-Multazim.
• It is a blessed place where pilgrims often make du'a (supplication).
• Many people hold onto this part of the Kaaba while praying.
• It is located on the eastern wall of the Kaaba.

Verified & Updated

Explanation

• The Communal Award was announced in August 16, 1932.
• It was given by Ramsay MacDonald.
• It introduced separate electorates for different communities.
• Aimed to provide political representation to minorities.
• It came after the 3rd Round Table Conferences.

Last verified on 29-04-2026

Explanation

• Sound cannot travel through a vacuum because there are no particles to carry sound vibrations.
• Sound needs a medium such as a solid, liquid, or gas to travel.
• Since space is nearly a vacuum, sound cannot be heard there.
• The speed of sound in a vacuum is 0 m/s.

Additional information:

• Infrasound: Below 20 Hz
• Audible sound: 20 Hz – 20,000 Hz (20 kHz)
• Ultrasound: Above 20 kHz
• Speed of sound in air: 343 m/s
• Speed of sound in water: 1,481 m/s

Last verified on 07-06-2026

Explanation

• The Pacific Ocean is the largest and deepest ocean on Earth.
• It covers about 30% of the Earth's surface.
• It contains 97% of the Earth's water.
• The Mariana Trench, the deepest part of the ocean.
• It is located in the Pacific.
• The Arctic Ocean is connected to the Pacific Ocean via the Bering Strait.

Additional information:

• Oceans cover 71% of the Earth's surface.
• The Indian Ocean is the warmest, with the Persian Gulf being the hottest area.
• The Diamantina Trench is the deepest point in the Indian Ocean.
• Jordan does not have an ocean.
• The Arctic Ocean is the Smallest Ocean of the world.

Last verified on 27-05-2026