This physicist developed the theory of relativity.
Albert Einstein
A number that can only be divided evenly by 1 and itself.
Prime number
The largest ocean on Earth.
The Pacific Ocean
This Austrian composer wrote "The Magic Flute" and was a child prodigy.
Wolfgang Amadeus Mozart
This Italian explorer reached the Americas in 1492, sailing for Spain.
Christopher Columbus
This law states that an object in motion stays in motion unless acted on by an external force.
Law of inertia
The square of the hypotenuse equals the sum of the squares of the other two sides — name this theorem.
Pythagorean theorem
The longest river in the world.
The Nile or the Amazon
This British band, formed in Liverpool in 1960, became hugely influential.
The Beatles
This French general/emperor was defeated at Waterloo in 1815.
Napoleon Bonaparte
This unit measures electrical resistance, named after a German physicist.
Ohm
"Cogito, ergo sum", analytic geometry
René Descartes
1948 UN document on fundamental rights
Universal Declaration of Human Rights
2016 Nobel laureate in Literature, "Blowin' in the Wind"
Bob Dylan
This international organization, founded in 1945, aims to maintain world peace.
The United Nations (UN)
This physicist's three laws describe the motion of planets around the Sun.
Johannes Kepler
An equation of the form ax² + bx + c = 0 is called this.
Quadratic equation
The only ancient wonder of the world still standing.
The Great Pyramid of Giza
This German composer kept composing even after going completely deaf.
Ludwig van Beethoven
1919 treaty with heavy reparations on Germany.
Treaty of Versailles
Thought experiment with cat and radioactive decay
Schrödinger
extreme sensitivity to initial conditions ("butterfly effect")
Chaos theory
2015 agreement signed in France on temperature limits
Paris Agreement
In November 2025, this artist became the first ever to have a top-10 hit in six different decades.
Michael Jackson
1648 treaties ending the Thirty Years' War.
Peace of Westphalia