Afghanistan’s National Day commemorates the signing of the 1919 Treaty of Rawalpindi on 19 August, which recognized the country’s full independence from British influence.

Straddling Pakistan and India, the Thar Desert lies in the subtropical region, characterized by extreme temperatures and scarce rainfall.

Carbon dioxide is dissolved under pressure in soft drinks, creating effervescence when bottles or cans are opened and giving sodas their characteristic fizz.

China has led the world in Internet users since 2008, with over 700 million people online by 2014. Its massive user base has driven the growth of domestic tech giants and shaped global digital trends.

Straddling the Paraná River on the Brazil–Paraguay border, Itaipu Dam was completed in 1984. With a concrete structure spanning 7,919 meters in length and a height of 196 meters, it remains the world’s largest by volume.

Ultra vires (“beyond the powers”) describes actions taken without the legal authority to do so, rendering such actions invalid in law.

The Pacific Ocean reaches its greatest depth in the Mariana Trench—about 10,920 meters below sea level—making it the deepest of the world’s oceans and covering more than 63 million square miles.

When a court hears proceedings in camera, it does so behind closed doors, excluding the general public to protect confidentiality or sensitive information.

Persona ficta is a Latin term meaning “fictitious person” and refers to a juridical or artificial person created by law. It denotes an organization or collective—such as a corporation or public body—that the legal system treats as a single entity capable of holding rights, incurring obligations, owning property, and suing or being sued independently of its individual members. This legal fiction, rooted in Roman and medieval canon law, underpins modern corporate and administrative law by granting such bodies perpetual existence and distinct legal personality from the humans who compose them.

The bilateral bus service linking Quetta (Pakistan) and Mashhad (Iran) commenced in 2008 under President Pervez Musharraf’s Vision 2030 initiative to enhance regional connectivity.