History in the Making
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100

This U.S. president issued the Emancipation Proclamation in 1863.

Abraham Lincoln

100

This author created the fictional detective Sherlock Holmes.

Sir Arthur Conan Doyle

100

This process allows green plants to turn sunlight, water, and carbon dioxide into sugars.

Photosynthesis

100

The city of Cairo stands on the banks of this famous African river.

The Nile

100

This Dutch painter created The Starry Night and Sunflowers.

Vincent van Gogh

200

The 1803 purchase of this vast territory from France nearly doubled the size of the United States.

The Louisiana Purchase

200

Mary Shelley wrote this famous novel about a scientist who brings a creature to life.

Frankenstein

200

Despite its name, this large mammal is not a bear and is native to Australia, where it eats eucalyptus leaves.

Koala

200

 This European capital is located on the River Thames.

London

200

This Russian composer wrote the ballet The Nutcracker.

Pyotr Ilyich Tchaikovsky

300

This woman became known as the “Moses of her people” for helping enslaved people escape through the Underground Railroad.

Harriet Tubman

300

This American author wrote The Grapes of Wrath, a novel about a family displaced during the Great Depression.

John Steinbeck

300

This scientist developed the theory of evolution by natural selection and wrote On the Origin of Species.

Charles Darwin

300

This mountain, the highest in Africa, is located in Tanzania.

Mount Kilimanjaro

300

This artist painted Guernica, a powerful work depicting the horrors of war.

Pablo Picasso

400

Signed in 1215, this English document limited the power of the king and became an important influence on constitutional government.

Magna Carta

400

George Orwell wrote this dystopian novel featuring the all-seeing figure Big Brother.

1984

400

This planet has the most prominent ring system in our solar system.

Saturn

400

This narrow strait separates Spain from Morocco and connects the Atlantic Ocean to the Mediterranean Sea.

Strait of Gibraltar
400

This 1942 film starring Humphrey Bogart and Ingrid Bergman is set in Morocco during World War II.

Casablanca

500

This 1648 series of treaties ended the Thirty Years’ War in Europe and is often associated with the development of state sovereignty.

The Peace of Westphalia 

500

This medieval English poet wrote The Canterbury Tales, a collection of stories told by pilgrims traveling to a shrine.

Geoffrey Chaucer

500

On the periodic table, the chemical symbol W stands for this metal, which has an exceptionally high melting point.

Tungsten

500

This vast region at the southern end of South America is shared by Argentina and Chile and is known for its dramatic landscapes and glaciers.

Patagonia

500

This American composer wrote Rhapsody in Blue, which premiered in 1924.

George Gershwin