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

More Questions:

Who beat Martina Navratilova in the Wimbledon Women's Singles final in 1994?

The Appalachian Trail runs over 2,000 miles from Maine to what southern state?

Which media is read from the outside in, compact discs or vinyl records?

What is Diazepam better known as?

What creatures does an ichthyologist study?

Who invented nylon?

What country music artist was married briefly to actress Renee Zellweger?

On what day in February was the 2010 romantic comedy film "Valentine’s Day" released?

Which US President was the first to have an indoor Christmas tree in the White House?

Which European country invaded Libya in 1911?

What state did Harry Truman represent as a US Senator before becoming President of the Unites States?

What type of machine was Isaac Singer granted a patent for in 1851?

In the music video "Opposites Attract", what is the name of the cat Paula Abdul dances with?

What year did Mariah Carey release the single "All I Want For Christmas Is You"?

What are the names of the brothers in the band "Oasis"?