A flag flown upside-down is a signal of what?

More Questions:

Dr Pepper was first sold in 1885 in which Texas city?

How many spices make up allspice?

What is the only American state with its official song taken from a Rodgers and Hammerstein musical?

'The Da Vinci Code" repeats the myth that the glass pyramid in front of the Louvre consists of how many panes?

Which scientist is credited with inventing margarine?

What hormone secreted by the pancreas lowers blood glucose levels in diabetics?

How many chromosomes does a chicken have?

What is the colorful stage name of singer Alecia Moore?

What year did Billy Joel release the song "We Didn't Start the Fire"?

Who played the role of Jack Cates in the 1982 film "48 Hrs."?

In the 1988 movie "Die Hard', what does John McClane leave in the limo?

What Top Gun actor loses his left arm in the movies "Total Recall" and "Starship Troopers"?

What year were the first modern-day Olympic Games held?

What year was Cable News Network, or CNN, launched?

Who wanted you to "Shake Your Groove Thing"?