This "Father of Our Country" was the first President of the United States.
George Washington
In 1969, he became the first person to walk on the moon
Neil Armstrong
This gas makes up about 78% of the Earth's atmosphere.
Nitrogen
In 1492, this Italian explorer set sail across the Atlantic and landed in the Americas.
Christopher Columbus
He’s the Boy Wonder and Batman’s most famous sidekick.
Robin
He was the only U.S. President to resign from office.
Richard Nixon
She was the first woman to fly solo across the Atlantic Ocean in 1932.
Amelia Earhart
The process by which plants convert sunlight into energy is called
Photosynthesis
The Great Wall of China was primarily built to protect against invasions from this group.
Mongols
This knight was King Arthur’s most trusted companion and had an affair with Queen Guinevere.
Sir Lancelot
Before becoming President, he was a Hollywood actor and the governor of California.
Ronald Reagan
This was the first national park established in the United States in 1872.
Yellowstone National Park
This is the only planet in our solar system that rotates on its side.
Uranus
The assassination of this archduke in 1914 sparked the beginning of World War I.
Archduke Franz Ferdinand
This trusty horse is Woody’s loyal companion in the "Toy Story" movies.
Bullseye
He was the principal author of the Declaration of Independence and later became the third U.S. President
Thomas Jefferson
He was the first African American President of the United States.
Barack Obama
In the periodic table, "Au" symbolizes this precious metal.
Gold
The French Revolution began in this year with the storming of the Bastille.
1789
Han Solo’s co-pilot on the Millennium Falcon, this Wookiee is known for his growls and loyalty
Chewbacca
This President served four terms, more than any other in U.S. history.
Franklin D. Roosevelt
This country was the first to grant women the right to vote in 1893.
New Zealand
This largest species of shark is known for being a gentle giant despite its massive size.
Whale Shark
This ancient empire, led by rulers like Cyrus the Great and Darius I, was one of the largest in history and stretched from the Balkans to the Indus Valley
Persian Empire
This doctor and writer is the ever-loyal companion of Sherlock Holmes
Dr. John Watson