In the 1980s Margaret Thatcher strode onto the world stage alongside US President Ronald Reagan - who became a political and personal friend.
Recognition of her importance as international leader was reflected in the warmth of today's transatlantic tributes.
ITV News Washington Correspondent Robert Moore reports.
More top news
Best of the dry and bright weather across southeast England today.
Here is a summary of what we know so far following the discovery of 71 bodies in the back of an abandoned lorry in Austria yesterday.
A six-year-old girl is being sued by an adult woman after a skiing accident left her with injuries.