This year, Her Majesty, Queen Elizabeth 2nd, celebrates her 70th year on the throne. Here are some quick facts about Britain's longest reigning monarch.

Her name - while widely known as Queen Elizabeth 2nd, she was born as Elizabeth Alexandra Mary, the eldest daughter of Prince Albert, Duke of York (who would later become King George VI) and Lady Elizabeth Bowes-Lyon. Officially, she is Elizabeth 2nd, by the Grace of God, of the United Kingdom of Great Britain and Northern Ireland and of her other realms and territories, Queen, Head of the Commonwealth, Defender of the Faith.