On Friday 17 August 2018, Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, as guests of The Honourable Dr Brendan Nelson AO, attended the re-dedication of the Long Tan Cross at the Australian War Memorial.

In the evening, the Governor-General was represented at Melbourne International Airport for the arrival to Australia of His Excellency Mr Andrzej Duda, President of the Republic of Poland, by Honorary Aide-de-Camp, Air Commodore Glen Braz ADC.

On Thursday 16 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove presided at a meeting of the Federal Executive Council.

Afterwards, the Governor-General received Her Excellency Mrs Minda Calaguian-Cruz, Ambassador of the Republic of the Philippines.

Later, the Governor-General and Lady Cosgrove hosted a lunch for the Duntroon Guides.

Then, the Governor-General received Dr Martin Parkinson AC PSM, Secretary of the Department of the Prime Minister and Cabinet.

On Wednesday 15 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, hosted the inaugural National Science Week Design Challenge at Government House, Canberra. Held in conjunction with Questacon, the event saw over 140 students from 27 primary schools participate in a range of activities to build their understanding about science and technology.

On Tuesday 14 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd) received Lieutenant General John G Castellaw USMC (Retd), at Government House, Canberra.

In the evening, the Governor-General and Lady Cosgrove, attended the 2019 Canberra Symphony Orchestra Season Launch, at the National Portrait Gallery, Parkes, as guests of Air Chief Marshal Sir Angus Houston AK AFC (Retd), Chair, Canberra Symphony Orchestra.

On Monday 13 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), received Her Excellency Ms Helena Drnovsek-Zorko, Ambassador of the Republic of Slovenia, for a farewell call.

In the evening, the Governor-General, as the guest of Mrs Judy Mack, President, Legacy Canberra, attended the monthly meeting, at Legacy House, Deakin.

On Sunday 12 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, attended a dedication and commemoration service for the Australian Jewish War Memorial as guests of Dr Merrilyn Sernack, Secretary, ACT Jewish Community, at the National Jewish Memorial Centre, Forrest.

On Saturday 11 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, met with staff and patients at Thursday Island Hospital, as guests of Mr Andy Marshall, Executive General Manager.

Afterwards, the Governor-General and Lady Cosgrove travelled to Friday Island and viewed operations at Kazu Pearl Farm, as guests of Mr Takami Kazuyoshi, Owner Operator.

Then, Their Excellencies attended a lunch with Councillor Vonda Malone, Mayor, Torres Shire Council.

On Friday 10 August 2018, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, met with the ship’s company of ADV Cape Inscription during the ship’s logistics visit to Thursday Island, as guests of Lieutenant Commander Luke Weston RAN.

Afterwards, the Governor-General and Lady Cosgrove travelled to Mer Island, and were welcomed by the Mer Island community during a traditional ceremony as guests of Mr Aven Noah, Member for Mer, Torres Strait Regional Authority.

On Thursday 9 August 2018, at RAAF Base Scherger, North Queensland, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, met with ADF personnel from the 5th Aviation Regiment and their family members.

Afterwards, Their Excellencies travelled to Thursday Island and were welcomed by Councillor Vonda Malone, Mayor of the Torres Shire Council and Mr Napau Pedro Stephen AM, Chair of the Torres Strait Regional Authority.

On Wednesday 8 August 2018, at Darling Harbour, Sydney, the Governor-General, His Excellency General the Honourable Sir Peter Cosgrove AK MC (Retd), and Lady Cosgrove, attended the Indigenous Marathon Project Camp, as guests of Mr Robert de Castella AO MBE, Director, where they met with squad members and participated in a group discussion.