General Knowledge Quiz
 
My not-so-vintage router and modem died so I've been 'out of business' for a week or so.
I thought I'd celebrate my return to the blog-o-sphere with a general knowledge quiz - so time to start agitating those little grey cells.
1.    What is the only food that doesn't spoil?
2.    How did the term 'rule of thumb' come about?
3.    What do bullet-proof vests, fire escapes, windshield wipers
       and laser printers have in common?
4.    Where did the term 'mind your Ps and Qs' come from?
5.    What was the original colour of Coca-Cola?
6.     What was the first novel written on a typewriter?
7.     Who were the first couple to be shown in bed together on 
        prime time TV?
8.    How did the term 'golf' come about?
9.    Who do the four kings in a deck of playing cards represent?
10.    How did the term 'honeymoon' evolve?
11.    Where does the term 'sleep tight' come from?
1.    Honey
2.     In the 1400's a law was set forth in England that a man was
        allowed to beat his wife with a stick no thicker than his thumb.
        Hence we have 'the rule of thumb'
3.    All were invented by women
4.    In English pubs, ale is ordered by pints and quarts. So in old
       England, when customers got unruly, the bartender would yell
       at them 'Mind your pints and quarts, and settle down. It's
       where we get the phrase: 'mind your P's and Q's' 
5.    Green
6.    Tom Sawyer
7.    Fred and Wilma Flintstone
8.    Many years ago in Scotland , a new game was invented. It was
       ruled 'Gentlemen Only...Ladies Forbidden' and thus, the word
       GOLF entered into the English language.
9.    Spades - King David
       Hearts - Charlemagne
       Clubs -Alexander, the Great
       Diamonds - Julius Caesar
10.    It was the accepted practice in Babylon 4,000 years ago that
         for a month after the wedding, the bride's father would   
         supply his son-in-law with all the mead he could drink. Mead
         is a honey beer and because their calendar was lunar based,
         this period was called the honey month, which we know
         today as the honeymoon.
11.    In Shakespeare's time, mattresses were secured on bed
         frames by ropes. When you pulled on the ropes, the mattress
         tightened, making the bed firmer to sleep on. Hence the
         phrase...'Goodnight , sleep tight'
So guys how did you go?
Which were most interesting for you?
Crucially, are any of these answers wrong? This is part for those with highly evolved general knowledge! 
And finally, has anyone got any other riveting general knowledge questions/insights to share?