You need at least 10 million subscribers to receive this website’s Diamond Play Button.
YouTube
For a 1950 savings bond drive, all the states and territories were given a replica of this Philly landmark.
Liberty Bell
The Romans called lettuce “Lactuca,” from the Latin for this liquid.
Milk
This unit of measurement is 5.88 trillion miles and is often used for distances relating to space.
Light year
The TSA began asking for this in 2025, 20 years after George W. Bush signed it into law.
Real ID
Ground Control to Tom: this rank is immediately above captain in the U.S. Space Force.
Major
This 1-name guide for Lewis and Clark was posthumously named Honorary Sergeant, Regular Army in 2001.
Sacagewea
Titanic passengers, beware! This variety of lettuce is also called crisphead lettuce.
Iceberg lettuce
A2+B2=C2. This equation states that the square of the hypotenuse is equal to the sum of the squares of the other two sides
The Pythagorean theorem
Voyage dates and muster station can be found on ID cards issued to passengers of these vehicles
Cruise Ships
In the USDA’s beef grading system, this level, not composite, has the highest marbling content.
Prime
In 1947, Williamsport, Pennsylvania, was the first team to win this youth organization’s World Series.
Little League
First invented in Tijuana, Mexico, this salad was not named after the ruler of the Roman Empire, but the inventor of this salad.
Caesar Salad
Relating to time, it's the most common unit of measurement in the world.
Second
You can be as young as 14 to receive this prelude to a driver’s license in North Dakota.
Learner’s Permit
May 2026 saw Hull City promoted to this top level of English soccer after a 9-year absence.
Premier League
Apple pie served with this English cheese is considered the state dish of Vermont.
Cheddar
Named for a New York hotel, this fruit-and-nut salad is traditionally served on a bed of lettuce.
Waldorf salad
3.14 is the abbreviated number represented by the 16th letter in the Greek alphabet.
Pi
Requiring both a bank card and a PIN at an ATM is an example of 2FA, short for this.
2-Factor Authentication
In 1868, this city became the state capital, taking over from Milledgeville.
Atlanta
Vexillologists, rejoice; the oldest continuing parade for this holiday is in Fairfield, Washington
Flag Day
Provence was the birthplace of this 7-letter salad mix also called spring mix.
Mesclun
Thirty-five times smaller than a meter, it's the smallest unit of measurement and is used in theoretical physics often.
Planck length
Passports issued to citizens of this island include its native name Kalaallit Nunaat.
Greenland