20/20
This part of the eye controls how much light enters, adjusting like a camera aperture.
What is the pupil?
This video-sharing platform, later acquired by Google, was launched on February 14, 2005.
What is YouTube?
This Roman numeral represents the number 20.
What is XX?
This gaming console, released by Sony in 1994, became one of the best-selling consoles of the 20th century.
What is the PlayStation?
This famous family feud between two Appalachian clans led to violent clashes throughout the late 19th century.
What is the Hatfield-McCoy feud?
This common vision problem makes it difficult to see objects up close
What is farsightedness?
This devastating hurricane struck the Gulf Coast in August 2005, becoming one of the deadliest in U.S. history.
What is Hurricane Katrina?
If you have 20 apples and give away half, this is how many you have left.
What is 10?
The Berlin Wall fell in this year, marking a key moment in the end of the Cold War.
What is 1989?
Julius Caesar’s adopted heir, Octavian, waged war against this former ally, who later died alongside Cleopatra.
Who was Mark Antony?
This vitamin, found in carrots, is essential for maintaining good eyesight and preventing night blindness.
What is Vitamin A?
This popular sandbox video game, known for its creative blocky world, was first developed in 2005.
What is Minecraft?
In percentage form, 20 is equal to this fraction.
What is 1/5?
This was the first feature-length animated movie ever released.
Snow White and the Seven Dwarfs.
This bitter conflict between Mary, Queen of Scots, and this English ruler ended with Mary’s execution in 1587.
Who was Queen Elizabeth I?
Eyes sense light and are connected to the brain by these fibers.
What are nerve fibers?
The final installment of this intergalactic saga's prequel trilogy was released in theaters.
What is Star Wars: Episode III – Revenge of the Sith?
20 is one of these in nuclear physics, which are numbers of protons or neutrons that result in particularly stable atomic nuclei.
What is a "magic number"?
This future fascist leader was victorious during the Spanish Civil War.
Who was Francisco Franco?
In the 2000s, this Microsoft product was introduced to compete with Apple's iPod, but was ultimately unsuccessful.
What is Zune?
This is 20/20 now that the project is over and it's easy to say we should have done things differently.
What is hindsight?
This TV series about a plane crash on a mysterious island aired its first full season in 2005
What is Lost?
20 is the atomic number of this element
What is calcium?
Dag Hammarskjöld, the second Secretary-General of the United Nations, died in a mysterious plane crash while en route to this African country in 1961.
What is the Democratic Republic of the Congo?
This ancient conflict between Athens and Sparta led to the destruction of the Athenian empire in the 4th century BCE.
What is the Peloponnesian War?