The Maastricht Treaty (1992) created the European Union, creating new institutions and setting paths to monetary union.

Mycobacterium tuberculosis is the bacterial agent of tuberculosis, a contagious respiratory disease affecting millions worldwide.

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

Hammurabi’s Babylonian code (18th century BCE) was one of the earliest legal codes, inscribed on stone steles.

The Yangtze River, stretching about 6,300 km, is the longest river in Asia and the third-longest in the world after Nile and Amazon.

Nicolaus Copernicus proposed the heliocentric model in 1543, stating Earth revolves around the Sun, challenging geocentric beliefs.

Guru Nanak (1469–1539) founded Sikhism in Punjab, teaching devotion to one God, equality, and social justice.

The ancient Olympics, starting in 776 BCE, were held at Olympia in honor of Zeus, king of the Greek gods.

The first modern Olympic Games were held in Athens in 1896, reviving the ancient Greek athletic tradition.

Constantinople was renamed Istanbul officially in 1930 after the establishment of the Republic of Turkey under Atatürk.