Amelia Earhart completed her solo flight across the Atlantic in 1932, becoming a symbol of aviation and women’s achievement.

Sputnik 1, launched in 1957 by the USSR, was the first artificial satellite, beginning the space race.

The Pauli Exclusion Principle states no two fermions (like electrons) can occupy the same quantum state, critical for atomic structure.

The Berlin Wall was erected in 1961 by East Germany to prevent emigration, becoming a symbol of Cold War division until 1989.

Marcus Aurelius, a Roman emperor and Stoic philosopher, wrote *Meditations*, reflecting on virtue, duty, and leadership.

The correct answer is 4 because 2+2=4.

The Hundred Years’ War (1337–1453) was a series of conflicts between England and France over territorial and dynastic claims.

UNESCO is the United Nations Educational, Scientific and Cultural Organization, founded in 1945 to promote peace through knowledge.

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

Seismology is the study of earthquakes and seismic waves, helping scientists understand Earth’s interior and predict seismic risks.