On Thursday 29 November 2018, at Government House, Canberra, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), received Letters of Credence from Her Excellency Ms Betty Pavelich Sirois accrediting her as the Ambassador of the Republic of Croatia. The Ambassador was accompanied by Mr Ivica Glasnovic (Consul-General, Sydney), Mr Joseph Petric (Consul-General, Melbourne) and Ms Sandra Tvrtkovic (First Secretary).

On Wednesday 28 November 2018, at Admiralty House, Sydney, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove hosted a reception for the Life Education Foundation.

In the evening, the Governor-General and Lady Cosgrove hosted a reception for the Australian Cancer Research Foundation.

On Tuesday 27 November 2018, at Admiralty House, Sydney, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, hosted a reception for the Antarctic Science Foundation.

On Monday 26 November 2018, at Government House, Canberra, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, hosted a lunch for the Non-European Union and Central Asian Heads of Mission.

Later, the Governor-General and Lady Cosgrove, as guests of Senator the Honourable Marise Payne, attended the New Colombo Plan Awards ceremony at Parliament House.

In the evening, the Governor-General and Lady Cosgrove hosted a pre-interview dinner for Rhodes Australia-at-large candidates at Government House.

On Sunday 25 November 2018, at Royal Randwick Racecourse, Sydney, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, attended The Ireland Funds’ Australia Garden Party, as guests of Mrs Yvonne Le Bas, Chairman, The Ireland Funds Australia.

Later, the Governor-General and Lady Cosgrove hosted a reception for the Cauliflower Club, at Admiralty House.

On Thursday 22 November 2018, at Admiralty House, Sydney, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, hosted a ceremonial Welcome for His Excellency Ram Nath Kovid, President of the Republic of India, and the First Lady, Mrs Savita Kovind.

On Wednesday 21 November 2018, at Government House, Canberra, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), presided at a meeting of the Federal Executive Council.

Afterwards, the Governor-General and Lady Cosgrove, as guests of Mr Peter Carrigy-Ryan, CEO, Commonwealth Superannuation Corporation (CSC), attended an end-of-year reception, at CSC Canberra.

On Tuesday 20 November 2018, in Brisbane, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, attended a ceremony where the Governor-General presented a Commendation for Brave Conduct to Inspector Robert Graham, as guests of Inspector Nyree Whelan, Queensland Police.

On Sunday 18 November 2018, at the Royal Military College, Duntroon, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, attended the annual Heavy Battery Trophy cricket match between the Molonglo Cricket Club and the Australian Command and Staff College, as guests of Mr John Bullen OAM, Vice-President, Molonglo Cricket Club.

On Saturday 17 November 2018, at Cairns International Airport, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), was represented at the arrival to Australia of His Majesty Hassanal Bolkiah, Sultan of Brunei, by Commander David Hannah ADC RAN, Honorary Aide-de-Camp.