Due to overseas territories, France spans the most time zones of any country when its territories are included across the globe.

Akbar introduced the Zabti system, measuring land and fixing tax rates based on productivity, improving revenue collection efficiency.

The Opium Wars (1839–42, 1856–60) were fought between China and Britain, largely over the opium trade and sovereignty.

Ancient Carthage was located in present-day Tunisia and became a rival of Rome in the Punic Wars. This is a well-documented historical or scientific.

The Magna Carta, signed in 1215, limited the power of the English king and laid foundations for constitutional law.

Nitrogen fixation—by bacteria or lightning—converts atmospheric N₂ into biologically usable ammonia or nitrates.

Ernest Rutherford discovered the nucleus and pioneered nuclear physics, earning the title “father of nuclear physics.”

Andrew Wiles proved Fermat's Last Theorem in the 1990s, resolving a problem that had stood for over 350 years.

The U.S. Supreme Court is the highest federal court, with final authority on constitutional and federal law interpretation.

The pancreas contains beta cells that synthesize and release insulin, regulating blood glucose levels.