One of londons most historic buildings buckingham palace has served as the official london residence of britains sovereigns since 1837 it boasts 775 rooms including no fewer than 52 royal and guest bedrooms 188 staff bedrooms and 19 state rooms in this painting set in mid june the queen and the duke of edinburgh are leaving the palace for the trooping of the colour on the occasion of the queens official birthday this custom dates back to king charles 2nd in the 17th century when t