Explanation

• William Harvey discovered the circulation of blood.
• He was the first physician to completely describe systemic blood circulation.
• Famous book: De Motu Cordis (On the Motion of the Heart and Blood) (1628)
• He is known as the Father of Circulation of Blood.

Additional information:

• Birth: 1578
• Death: 1657

Last verified on 23-06-2026

Explanation

• Current DG: Dr. Usman Anwar (effective Feb 3, 2026).
• He previously served as the Inspector General (IG) of Punjab Police.
• He replaced Raja Riffat Mukhtar in this role.

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Last verified on 23-06-2026

Explanation

• The headquarters of the International Court of Justice is in The Hague, Netherlands.
• ICJ is one of the six principal organs of the United Nations.
• It consists of 15 judges, elected for 9-year terms.

• Founded: 1945
• Official Languages: English, French
• Member States: UN member countries
• Main Function: Settling legal disputes between states

Explanation

• Current Position: 72nd U.S. Secretary of State
• Assumed Office: 21 January 2025
• President: Donald Trump
• Preceded by: Antony Blinken
• Nationality: American
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Last verified on 15-07-2026

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Explanation

• The United Kingdom officially left the European Union (EU) on 31 January 2020 at 11:00 p.m. GMT.
• It is known as Brexit (British Exit).
• It ended the UK's 47-year membership of the European Union.
• The transition period lasted until 31 December 2020.
• Referendum Date: 23 June 2016
• Article 50 Triggered: 29 March 2017
• Referendum Result: Leave – 51.9%, Remain – 48.1%

Last verified on 08-04-2026

Explanation

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

• Total electors: 538
• Majority required: 270

Composition:

• House of Representatives: 435
• Senate: 100
• Washington D.C.: 3 electors

Country: United States of America

Last verified on 21-06-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Date Signed: 10 January 1966
• Place: Tashkent, Soviet Union (now Uzbekistan)
•  It was a peace treaty between India and Pakistan following the 1965 war

Signatories:

• Ayub Khan – President of Pakistan
• Lal Bahadur Shastri – Prime Minister of India
• Alexei Kosygin – Premier of USSR (mediator)

Last verified on 16-01-2026

Explanation

• Name: Meesaq-e-Madina / Constitution of Medina
• Year: 622 CE (1 AH)
• Place: Medina, Arabia
• Issued by: Prophet Muhammad (PBUH)
• Total articles: 47 (commonly cited)

Last verified on 23-06-2026