useless trivia: What Word Means: That Little Circle Over Certain Scandinavian Vowels?

Questions

Where are the 2006 Winter Olympics to be held?

What is the name of the Queen Mother's London home?

Walter Matthau starred as a slovenly sports reporter in the film The Odd Couple, what was his character name in the film?

What type of game bird is a capercailzie?

Who said, in song, The Sun Ain?