"Preparations for a state banquet started six months before the big event
and it usually takes household staff around three days to lay the table.
Guests - who have been invited on the basis of their cultural, diplomatic or economic links to the US -
dined on an exquisite menu, written in French, prepared by royal chefs and served on historic, priceless dinner sets.
Floral displays, crafted from seasonal flowers handpicked from the gardens at
Windsor Castle and Windsor Great Park.
After the banquet, the flowers are usually donated to Floral Angels, a charity of which Camilla is patron,
which delivers the blooms to hospices, elderly care homes and shelters.
The staff have started constructing the mahogany table almost a week ago.
Tablecloths and napkins - folded in the shape of a Dutch bonnet - cruet sets,
elaborate floral decorations,
priceless plates, candelabra and six glasses - for water, a champagne toast, red and white wines, a dessert wine and port
- all have carefully been put in order.
Every place setting must be precisely 18 inches apart - with measuring sticks used to ensure absolute precision.
Every chair is exactly the same distance from the table and each glass is the same distance from the front edge of the table.
Some 19 stations are set up around the edge of the room, each manned by four staff
- a page, footman, under butler and a wine butler - who use a traffic light system
to co-ordinate the serving of courses.
Detailed diagrams are used to illustrate the serving plans and a list of special instructions sets out any dietary requirements and requests for royals and other guests."
Kate and William, both 43, put on dashing displays as they welcomed Donald and Melania Trump for a State Banquet at Windsor Castle alongside other senior members of the Royal Family.
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