December 2, 1963
Princess Margaret is expecting her second child in late April, according to announcement made by Kensington Palace.
The child will be seventh in line to the throne after Queen Elizabeth's fourth child, which is due earlier, Princess Margaret herself, and her two year old son, Viscount Linley.
Princess Alexandra and the Duchess of Kent are also expecting babies next year.
Princess Margaret, 33, married to society photographer Antony Armstrong-Jones in May 1960. Shortly before the birth of their first child, Armstrong-Jones was created Earl of Snowdon.
"The Princess and Lord Snowdon are delighted," said the Princess' press secretary Major John Griffin.