The Queen Mother was one of the royal family's most famous members and helped stabilise the monarchy's popularity. She had seen off the Luftwaffe and Adolf Hitler. She represented not only a country and an empire, but a century of human history.
The tale of Princess Margaret's search for true love is one filled with heartbreak, tough decisions and scandal. An idyllic childhood, surrounded by her sister, mother and father, swiftly changed into an upbringing full of loneliness.
Thanks to archive footage and a few dramatized scenes, together with interviews of those who know the Royal Family best, this history documentary takes a look back at the Queen's key milestones over recent years.
What does the royal family do to relax, and where are their favourite places to escape from palace life?