Over the period from 1952 to 2002 The Queen fulfilled an astonishing number of duties, was involved with the work of hundreds of organisations, and met more people in the UK, Commonwealth and overseas than any other monarch. In this work The Duke of Edinburgh fully supported Her Majesty, and fulfilled many Royal duties of his own.

In 50 years The Queen conferred 380,630 honours and awards; received around 3 million items of correspondence; and sent almost 100,000 telegrams to centenarians in the UK and the Commonwealth.

In the same period The Duke of Edinburgh fulfilled over 18,567 official engagements (not including those accompanying The Queen); chaired over 1,454 meetings; and made 4,632 speeches at meetings, conferences and receptions.

Find out more with these lists of 50 facts about The Queen and The Duke of Edinburgh. The facts were taken from records held at Buckingham Palace.

You can also read 50 facts about the Golden Jubilee celebrations which took place in the UK from April to August 2002. Discover how many places The Queen and Prince Philip visited, how many miles they travelled - and how many fireworks went up in smoke.