This U.S. president issued the Emancipation Proclamation in 1863.
Abraham Lincoln
This author created the fictional detective Sherlock Holmes.
Sir Arthur Conan Doyle
This process allows green plants to turn sunlight, water, and carbon dioxide into sugars.
Photosynthesis
The city of Cairo stands on the banks of this famous African river.
The Nile
This Dutch painter created The Starry Night and Sunflowers.
Vincent van Gogh
The 1803 purchase of this vast territory from France nearly doubled the size of the United States.
The Louisiana Purchase
Mary Shelley wrote this famous novel about a scientist who brings a creature to life.
Frankenstein
Despite its name, this large mammal is not a bear and is native to Australia, where it eats eucalyptus leaves.
Koala
This European capital is located on the River Thames.
London
This Russian composer wrote the ballet The Nutcracker.
Pyotr Ilyich Tchaikovsky
This woman became known as the “Moses of her people” for helping enslaved people escape through the Underground Railroad.
Harriet Tubman
This American author wrote The Grapes of Wrath, a novel about a family displaced during the Great Depression.
John Steinbeck
This scientist developed the theory of evolution by natural selection and wrote On the Origin of Species.
Charles Darwin
This mountain, the highest in Africa, is located in Tanzania.
Mount Kilimanjaro
This artist painted Guernica, a powerful work depicting the horrors of war.
Pablo Picasso
Signed in 1215, this English document limited the power of the king and became an important influence on constitutional government.
Magna Carta
George Orwell wrote this dystopian novel featuring the all-seeing figure Big Brother.
1984
This planet has the most prominent ring system in our solar system.
Saturn
This narrow strait separates Spain from Morocco and connects the Atlantic Ocean to the Mediterranean Sea.
This 1942 film starring Humphrey Bogart and Ingrid Bergman is set in Morocco during World War II.
Casablanca
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
This medieval English poet wrote The Canterbury Tales, a collection of stories told by pilgrims traveling to a shrine.
Geoffrey Chaucer
On the periodic table, the chemical symbol W stands for this metal, which has an exceptionally high melting point.
Tungsten
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
This American composer wrote Rhapsody in Blue, which premiered in 1924.
George Gershwin