.png){kind=icon}
Question 1: Which U.S. President served the shortest term in office?
Question 2: How many programming languages are in use today?
While it's difficult to get an exact count, estimates suggest there are well over 700 programming languages currently in use worldwide. However, only a few dozen are widely used and make up the vast majority of software development.
Question 3: Who composed the famous opera "The Marriage of Figaro"?
Mozart composed "The Marriage of Figaro" in 1786. The opera is based on a stage comedy by Pierre Beaumarchais. It premiered in Vienna on May 1, 1786.
Question 4: Where was the first electric traffic light installed?
The first electric traffic light was installed on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio on August 5, 1914. It had only red and green lights and was wired to a control booth manually operated by a traffic officer.
Question 5: Which is the largest organ in the human body?
The skin accounts for about 16% of an adult's body weight, making it the body's largest organ. It provides a protective barrier against the environment.
Question 6: In what year were women first allowed to compete in the modern Olympic Games?
The 1900 Summer Olympics in Paris were the first Olympics to allow women to compete. 22 women out of a total of 997 athletes competed in five sports: tennis, sailing, croquet, equestrian, and golf.
Question 7: In what century was the Mona Lisa painted?
The Mona Lisa is a half-length portrait painting by Italian artist Leonardo da Vinci. Considered an archetypal masterpiece of the Italian Renaissance, it has been described as "the best known, the most visited, the most written about, the most sung about, the most parodied work of art in the world."
Question 8: Who is the first woman to be depicted on U.S. paper currency?
Pocahontas was featured on the back of the $20 National Bank Note in the 1860s. She is considered the first woman to be featured on U.S. paper currency, although Martha Washington appeared on the $1 Silver Certificate in the late 19th century.
Question 9: In the periodic table, what is the symbol for the element silver?
The symbol Ag comes from the Latin word for silver, "argentum". Silver has been a valuable metal since ancient times, used to make coins, jewelry and tableware. It is a highly reflective metal with the highest electrical conductivity of any element.
Question 10: What species is Sonic the Hedgehog?
While Sonic has spikes like a porcupine, he is in fact a hedgehog. His sidekick Tails is a fox, while his friend Knuckles is an echidna.
William Henry Harrison served as the 9th U.S. President for only 31 days in 1841 before dying from pneumonia. He held the shortest presidency in American history.