I've just been reminded that I never came back with the answers to the Jubilee Quiz (courtesy of son#1) - so sorry - here they are at last:
How many Prime Ministers have served under Queen Elizabeth 2? 12
Which of the queen’s children have taken part in the Olympics? Princess Ann
Name one of the Queen’s Corgi’s? (Any of the options here are correct) Linnet,Monty,Willow & Holly
What was the average UK house price in 1952? £1,750-£2,25
What year did Queen Elizibeth have her ANNUS HORRIBILUS? 1992
How old was Queen Elizibeth when she was coronated? 26
How many official residences does the Queen have? 2
Who was Dr Who’s companion in the episode set during the Queen’s coronation? Rose
How many Grand-Children does the Queen have? 8
What sort of ship is RMS Queen Elizibeth? Luxury Ocean
When was the Queen born? 1926
What year was Queen Victoria’s Diamond Jubilee? 1897
Who sung “Diamonds are a girls best friend”?Marilyn Monroe
When was the Queen Elizabeth Bridge completed? 1991
When was the Queens most recent great-grandchild born? 31st March 2012
What famous building is opposite the Queen Elizabeth II conference centre in London? Westminster Abbey
What are the royal guards that wear read coats called? Beefeaters!
How many British monarchs have reached 50 years on the throne? 5
Which naval ship officially started the diamond jubilee celebrations? HMS Diamond
Name one of Neil Diamond’s No1 hits "Cracklin Rosie", "Song Sung Blue", "Desiree", "You Don't Bring Me Flowers", "Love on the Rocks", "America", "Yesterday's Songs", and "Heartlight"
On the day of the street party, we had teams of up to four people, and the winning team (led by a history teacher) scored 13/20.
And a special mention for Lotta, who left so many good answers in the comments section here!