Which chemical element has the symbol Pb?
Which river flows through Cairo?
Which chemical element has the symbol Hg?
Which chemical element has the symbol Ag?
What is the capital city of Morocco?
Which planet in the Solar System is known as the Red Planet?
What is the capital city of Brazil?
What is the capital city of Turkey?
What is the capital city of Turkey?
What is the capital city of Canada?
What is the capital city of Australia?
Which South Korean artist performs 'Gangnam Style', the first YouTube video to reach one billion views?
The phrase 'the cake is a lie' originates from which video game?
The phrase 'the cake is a lie' originates from which video game?
What is the name of the cat in the 'Keyboard Cat' video?
In what year did the 'Harlem Shake' meme go viral?
In what year did the 'Harlem Shake' meme go viral?
In what year was Wikipedia launched?
In what year did Twitter launch to the public?
What is the title of the first video ever uploaded to YouTube?
What is the title of the first video ever uploaded to YouTube?
In what year was Sputnik 1 launched?
In what year was Twitter founded?
