It's A Boy (1961)

Title reads: “It's A Boy“. Clarence House, London. L/S of Clarence House. Various shots members of the press and television camera crews waiting outside the gates for news of David Armstrong-Jones, Viscount Lindley's birth. M/S windows in Clarence House of room where Princess Margaret will give birth. M/S changing of the guard. More shots people waiting outside Clarence House, including policemen. C/U Sir John Peel, Queen's gynaecologist, leaving his home. Various shots Dr. Vernon Hall, anaesthetist, leaving Kings College Hospital. More shots crowds outside Clarence House. C/U an official hanging up notice announcing birth, crowds gather around to look. Panning shot Queen Elizabeth II's car driving through gates of Clarence House. Library shots: Princess Margaret with husband Anthony Armstrong-Jones (Lord Snowdon). Spacing follows. Montage of library shots showing Margaret's life so far: Queen Mother's childhood home Glamis castle, Scotland. Margaret as baby pushed in pram around castle