The Higgs Boson, discovered in 2012, is nicknamed the “God Particle” because it explains how particles acquire mass in physics.

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

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

The Library of Alexandria was founded in the 3rd century BCE under the Ptolemaic dynasty in Egypt, becoming a hub of ancient learning.

Frank Gehry designed the Guggenheim Bilbao (opened 1997), noted for its curving titanium forms and revitalization of the city.

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

Copper was the first metal widely used by humans in the Chalcolithic period, preceding the Bronze Age when alloys were developed.

Silver has the highest electrical conductivity of all elements, making it ideal for electronics, though copper is more widely used.

Alfred Wegener proposed continental drift in 1912, suggesting continents once formed a supercontinent Pangaea, later separating.

Mars is called the Red Planet due to iron oxide (rust) on its surface that gives it a reddish appearance.