Margaret Thatcher's private papers from 1982 have been made public for the first time.
They reveal the fiery debates that took place over how the British Government was to respond when Argentina invaded the Falklands.
The Churchill Archives Centre at Cambridge University holds more than one million documents on Baroness Thatcher, including photographs, press cuttings, audio clips and video tapes.
Lady Thatcher was born and raised in Grantham, Lincolnshire.
Argentina's invasion of the Falklands caused deep divisions within the Conservative Party, according to Margaret Thatcher's 1982 private papers which are released today.
Notes prepared for the Grantham-born Prime Minister show the difference in opinion within the party over what action to take.
Until now the backroom discussions have remained private but the notes are among those released by the Margaret Thatcher Archive Trust as it opens files from a time which came to define her career.
A memorial service has followed the unveiling of a new plaque at the National Memorial Arboretum in Staffordshire today, to remember the 19 servicemen who died onboard HMS Coventry in 1982.
The chairman of the HMS Coventry Association, Chris Howe MBE, said that the memorial is a place for survivors to visit and remember the servicemen who died.
A memorial to those who died on HMS Coventry during the Falklands War in 1982, has been unveiled today.
A single plaque, funded by the HMS Coventry Association, stands in front of an oak tree, which has been planted at the National Memorial Arboretum in Alrewas, Staffordshire.
In May 1982, 19 crewmen died when an Argentinian missile struck the ship.
A two-day referendum is currently taking place on the Falkland Islands to see if the country wishes to remain a territory of the UK.
A new Falklands Memorial was unveiled today at the National Memorial Arboretum in front of 600 veterans and family members.
It commemorates the 30th Anniversary of the Task Force Landings on the Falkland Islands, where 255 UK servicemen and merchant seamen gave their lives in the Falklands Conflict.
A Falklands memorial service in Staffordshire has ended with a flypast of the UK's last airworthy Vulcan, which served in the islands.
It was flown over the National Memorial Arboretum by Flight Lieutenant Martin Withers DFC - the pilot who led the Black Buck 1 raid on Port Stanley's runway.
A special service of dedication is taking place at the National Memorial Arboretum in Staffordshire to commemorate the 30th Anniversary of the Task Force Landings on the Falkland Islands, where 255 UK servicemen and merchant seamen gave their lives in the Falklands Conflict.
A new memorial to commemorate the anniversary of Task Force Landings on the Falkland Islands has been unveiled in Staffordshire today.