This river was the lifeline of ancient Egypt
What is the Nile River?
A knight's code of honor was called this
What is chivalry?
He sailed across the Atlantic in 1492
Who was Christopher Columbus?
The American Revolution began when colonists declared independence from this country
What is Great Britain?
This planet is known as the "Red Planet"
What is Mars?
The ancient Greeks are famous for creating this type of government ruled by the people
What is democracy?
Castles were often surrounded by these water-filled defenses
What are moats?
This Portuguese explorer was the first to sail around the world (well, his crew was)
Who was Ferdinand Magellan?
The French Revolution's rallying cry was "Liberty, Equality, and" this
What is Fraternity?
The first human landed on the Moon in this year
What is 1969?
The Roman Colosseum was used for these types of public events
What are gladiator games (or battles)?
This deadly disease wiped out millions in 14th-century Europe
What is the Black Death (or bubonic plague)?
These ships were used by explorers and had large sails for long voyages
What are caravels?
The machine that helped spin cotton into thread was invented during this era
What is the Industrial Revolution?
This modern technology allows people to talk face-to-face from across the world
What is video calling (or video chat)?
The Great Wall was built to protect this ancient empire
What is China?
People who worked the land for nobles were known by this name
Who were serfs or peasants?
This Italian explorer's name inspired the name "America"
Who was Amerigo Vespucci?
This former slave became a famous abolitionist and writer in the 1800's
Who was Frederick Douglass?
Scientists hope this renewable energy source can replace fossil fuels by capturing sunlight
What is solar power?
This ancient civilization built Machu Picchu high in the Andes Mountains
What is the Inca Empire?
This series of religious wars was fought over control of the Holy Land
What were the Crusades?
This exchange of goods, plants, and diseases between the Old and New Worlds began after 1492
What is the Columbian Exchange?
This 18th-century event in the U.S. began with a protest over tea
What was the Boston Tea Party?
This famous scientist proposed the theory of relativity- the basis for understanding time travel
Who was Albert Einstein?