Ancient Empires
This legendary, wooden-horse-deception war pitted the early Greeks against a powerful, walled city
What is the Trojan War
On June 6, 1944, Allied forces launched this massive amphibious invasion of Normandy, France, a day universally known by this lettered name.
What is D-day
President Abraham Lincoln sits inside this Washington, D.C. building shaped like an ancient Greek temple
What is the Lincoln Memorial?
This element makes up about 78% of Earth's atmosphere.
What is Nitrogen
This red planet is home to Olympus Mons, the largest volcano in our solar system.
What is Mars?
This famous North African civilization built the Great Pyramid of Giza as a monumental tomb for Pharaoh Khufu.
What is Ancient Egypt?
This 1775–1783 global conflict saw thirteen North American colonies successfully break away from Great Britain to form the United States.
What is the Revolutionary war
A giant statue of Jesus called Christ the Redeemer looks over this major Brazilian city.
What is Rio de Janeiro?
This metallic element makes up Earth's core alongside nickel
What is Iron
It takes about eight minutes and twenty seconds for light to travel from this star to Earth.
What is the Sun?
Julius Caesar crossed the Rubicon river in 49 BC, sparking a civil war that transformed this republic into an empire.
What is the Roman Empire
This heavily protested Southeast Asian conflict dragged on for decades before ending in 1975 with the fall of Saigon to North Vietnamese forces.
What is the Vietnam war
This South Dakota mountain features the 60-foot faces of four iconic American presidents.
What is Mount Rushmore
You need this mineral element in your bones and teeth, and milk has lots of it.
What is Calcium
This mysterious form of matter does not emit or reflect light, but makes up about 27% of the universe's mass.
What is dark matter?
Spanish conquistador Hernán Cortés took advantage of internal rivalries to brutally overthrow this massive Mesoamerican empire in 1521.
Who are the Aztecs
Russia launched a full-scale, unprovoked military invasion of this neighboring sovereign Eastern European nation in February 2022.
What is Ukraine
Bad soil engineering caused this famous bell tower in Tuscany to start tilting during construction in the 12th century.
What is the Leaning Tower of Pisa?
This liquid metal is used in old thermometers and looks like silver.
What is Mercury
This type of dramatic explosion marks the energetic death of a massive star, briefly outshining an entire galaxy
What is a supernova?
This nomadic warrior empire, led by Genghis Khan, conquered a massive land mass stretching from Eastern Europe to the Sea of Japan.
What is the Mongol Empire?
Code-named Operation Iraqi Freedom, this major 2003 military invasion was launched by a U.S.-led coalition under the premise of eliminating weapons of mass destruction.
What is the Iraq war
Originally built as a temporary entrance for the 1889 World's Fair, it became the global symbol of Paris.
What is the Eiffel Tower?
This symbol "K" comes from the Latin word kalium.
What is Potassium
Launched in 1977, this NASA probe is currently the most distant human-made object from Earth.
What is Voyager 1?