Here are 30 interesting trivia questions that you can ask your friends, along with their answers and some context to make your trivia game even more engaging!

1. What is the capital of Australia?

   Answer: Canberra.
   Context: Many people mistakenly think it’s Sydney or Melbourne, but Canberra was specifically chosen as a compromise between the two cities.

2. Which planet is known as the Red Planet?

   Answer: Mars.
   Context: Mars appears red due to iron oxide (rust) on its surface.

3. Who wrote the play "Romeo and Juliet"?

   Answer: William Shakespeare.
   Context: This classic tragedy was written in the late 16th century and has been adapted numerous times in various forms of media.

4. What is the largest mammal in the world?

   Answer: The blue whale.
   Context: Blue whales can grow up to 100 feet long and weigh as much as 200 tons!

5. In which year did the Titanic sink?

   Answer: 1912.
   Context: The Titanic sank on its maiden voyage after hitting an iceberg, leading to the deaths of over 1,500 passengers and crew.

6. What is the hardest natural substance on Earth?

   Answer: Diamond.
   Context: Diamonds are formed under high-pressure conditions deep within the Earth and are valued for their hardness and brilliance.

7. Which country is known as the Land of the Rising Sun?

   Answer: Japan.
   Context: This name arises from Japan's position to the east of the Asian continent, where the sun rises.

8. What is the smallest country in the world?

   Answer: Vatican City.
   Context: Vatican City is an independent city-state enclaved within Rome, Italy, covering about 44 hectares.

9. Who painted the Mona Lisa?

   Answer: Leonardo da Vinci.
   Context: The Mona Lisa is one of the most famous paintings in the world, housed in the Louvre Museum in Paris.

10. What is the largest ocean on Earth?

    Answer: The Pacific Ocean.
    Context: The Pacific Ocean covers more than 63 million square miles and is larger than all of the Earth's landmasses combined.

11. What is the main ingredient in guacamole?

    Answer: Avocado.
    Context: Guacamole is a traditional Mexican dip made from mashed avocados and often includes ingredients like lime, salt, and tomatoes.

12. What year did World War II begin?

    Answer: 1939.
    Context: WWII began on September 1, 1939, when Germany invaded Poland.

13. Which element has the chemical symbol "O"?

    Answer: Oxygen.
    Context: Oxygen is essential for most forms of life on Earth and makes up about 21% of the atmosphere.

14. What is the tallest mountain in the world?

    Answer: Mount Everest.
    Context: Mount Everest stands at 29,032 feet (8,848 meters) above sea level and is located in the Himalayas on the border between Nepal and Tibet.

15. Which famous scientist developed the theory of relativity?

    Answer: Albert Einstein.
    Context: Einstein published his theory of relativity in 1905 and 1915, fundamentally changing the understanding of space, time, and gravity.

16. In which continent is the Sahara Desert located?

    Answer: Africa.
    Context: The Sahara is the largest hot desert in the world, covering approximately 9.2 million square kilometers.

17. What is the currency of Japan?

    Answer: Yen.
    Context: The yen is one of the most traded currencies in the world and is symbolized by ¥.

18. What is the most spoken language in the world?

    Answer: Mandarin Chinese.
    Context: Mandarin is spoken by over a billion people, primarily in China and Taiwan.

19. What is the name of Harry Potter's pet owl?

    Answer: Hedwig.
    Context: Hedwig is a snowy owl and serves as Harry's loyal companion throughout the series.

20. Which organ is responsible for pumping blood throughout the human body?

    Answer: The heart.
    Context: The heart beats about 100,000 times a day, pumping around 5 liters of blood each minute.

21. What is the largest land animal?

    Answer: The African elephant.
    Context: African elephants can weigh up to 12,000 pounds and are known for their intelligence and social behavior.

22. What is the main language spoken in Brazil?

    Answer: Portuguese.
    Context: Brazil is the largest Portuguese-speaking country in the world, a remnant of its colonial past.

23. Who was the first person to walk on the moon?

    Answer: Neil Armstrong.
    Context: Armstrong took his historic step on July 20, 1969, during NASA's Apollo 11 mission.

24. What is the chemical formula for water?

    Answer: H₂O.
    Context: Water is composed of two hydrogen atoms bonded to one oxygen atom.

25. Which fictional character is known for saying "To infinity and beyond!"?

    Answer: Buzz Lightyear.
    Context: Buzz Lightyear is a character from the "Toy Story" franchise, known for his adventurous spirit.

26. What is the longest river in the world?

    Answer: The Nile River.
    Context: The Nile stretches about 6,650 kilometers (4,130 miles) and flows through northeastern Africa.

27. In what year did the Berlin Wall fall?

    Answer: 1989.
    Context: The fall of the Berlin Wall symbolized the end of the Cold War and the division between East and West Germany.

Feel free to mix and match these questions to create a fun trivia night with your friends! Enjoy!