This massive transcontinental country lost a staggering 5 million square kilometers of land overnight when it officially dissolved on December 26, 1991.
What is the Soviet Union
This three-letter piece of software runs on your smartphone and can be downloaded from an online storefront.
What is an App
In 1886, a pharmacist trying to cure headaches accidentally created the syrup formula for this global, bubbly soda brand.
What is Coca-Cola
Despite its floral name, this massive autonomous territory of Denmark is actually covered in ice, while its neighbor Iceland is much greener.
What is Greenland
With the atomic number 1, this highly flammable gas is the most abundant chemical substance in the universe.
What is Hydrogen
Once spanning parts of three continents, this vast empire spent centuries losing territory to European rivals before being completely dismantled after World War I, leaving behind modern-day Turkey.
What is the Ottoman Empire
This 3-letter creature is the only mammal capable of true, sustained flight.
What is a bat
An engineer investigating radar technology noticed a candy bar melted in his pocket, leading to the invention of this kitchen appliance.
What is the microwave
The "Panama Hat," famous for its stylish woven brim, actually originated entirely in this South American country, not Panama.
What is Ecuador
Making up about 78% of Earth's atmosphere, this gas is represented by the atomic symbol N.
What is Nitrogen
Following its defeat in the Six-Day War of 1967, this country lost the entire Sinai Peninsula to Israel, though it later regained the ground through the 1979 Camp David Accords.
What is Egypt
This is the traditional Japanese sash worn with a kimono.
What is an Obi
A Scottish researcher came back from vacation to find mold killing bacteria in his petri dishes, accidentally discovering this world-saving antibiotic.
What is penicillin
If you visit the historic monument known as London Bridge today, you won't find it in England; it was bought and moved to this US state.
What is Arizona
This heavy, silvery d-block metal is the only metallic element that is liquid at standard room temperature.
What is Mercury
This ancient empire, heavily fractured by internal strife, lost its entire western half in 476 AD when the Germanic chieftain Odoacer overthrew its final teenage emperor.
What is the Roman Empire
This is the standard three-letter currency code used globally for the Japanese Yen.
What is JPY
An engineer trying to make a super-strong adhesive ended up making a very weak one, which 3 million years later used to create these colorful notes.
What are Post-It-Notes
The famous "Devil's Island" penal colony was not a tropical resort, but a notorious prison located off the coast of this South American territory.
What is French Guiana
Marie and Pierre Curie discovered this highly radioactive element in 1898, naming it after Marie's native country.
What is Polonium
In 1803, Napoleon Bonaparte gave up France's ambitions in North America by selling 828,000 square miles of territory to Thomas Jefferson, effectively doubling the size of the United States.
What is the Louisiana Purchase
This Sumerian city-state was one of the earliest major cities in human history, located in modern-day Iraq.
What is Ur
In 1943, a naval engineer accidentally dropped a tension spring on the floor and watched it bounce, creating this classic walking toy.
What is the Slinky
While the famous "English horn" woodwind instrument is neither English nor a horn, it actually originated in this European country.
What is Poland
This dense, toxic halogen gas has atomic number 85 and is the rarest naturally occurring element in Earth's crust.
What is Astatine