Queen Elizabeth's letters to the public for the first time and declassification
Lifting the secrecy of Queen Elizabeth's letters is a decision that shakes the kingdom undoubtedly. public For whatever role you might have played in this dismissal.
Mr Whitlam's government was sacked by the Queen's representative in Australia at the time, Governor-General Sir John Kerr, and replaced by an opposition government from Malcolm Fraser.
This period is often described as the most controversial episode in Australian political history. Historians have long wondered whether Buckingham Palace played a role in Whitlam's impeachment.
It is not known what the contents of the letters exchanged between the Queen and Sir John.
More than 200 sealed letters have been kept in the National Archives since 1978, but today the Australian High Court has ruled that access to these letters is in the national interest.
Whitlam and his Labor Party came to power in 1972. They implemented policies that were celebrated by many, but have become less popular amid a turbulent economy and fierce political opposition.
On November 11, 1975, he was impeached after refusing to resign, after failing to get Parliament to approve a national budget that could have helped resolve the economic crisis.