On Sunday 19 July 2015, at the Shrine of Remembrance, Melbourne, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, as guests of Founding Executive Member, Friends of the 15th Brigade, Mr Lambis Englezos AM attended the 2015 Fromelles Commemorative Service, at which Their Excellencies laid a wreath and the Governor-General made an address.

At the Shrine of Remembrance, Melbourne, the Governor-General and Lady Cosgrove, as guests of Founding Executive Member, Friends of the 15th Brigade, Mr Lambis Englezos AM attended the 2015 Fromelles Commemorative Service, at which Their Excellencies laid a wreath and the Governor-General made an address.

On Saturday 18 July 2015, at Suncorp Stadium, Brisbane, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd), as Patron of Australian Rugby Union, and Lady Cosgrove attended the Australia v South Africa Test Match, at which the Governor-General presented the Nelson Mandela Challenge Plate to the Captain of the Wallabies, Mr Stephen Moore.

At Suncorp Stadium, Brisbane, the Governor-General, as Patron of Australian Rugby Union, and Lady Cosgrove attended the Australia v South Africa Test Match, at which the Governor-General presented the Nelson Mandela Challenge Plate to the Captain of the Wallabies, Mr Stephen Moore.

On Friday 17 July 2015, at Parliament House, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove attended the National Memorial Service marking the first anniversary of the loss of Flight MH17, at which Their Excellencies laid a wreath and the Governor-General made an address.

Afterwards, at Eagle Farm, Brisbane, the Governor-General and Lady Cosgrove, as guests of the Managing Director, TradeCoast Central Project, Mr Bob Tucker, attended the opening of the Trade Coast Heritage Park Interpretative Centre.

At Parliament House, Canberra, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove attended the National Memorial Service marking the first anniversary of the loss of Flight MH17, at which Their Excellencies laid a wreath and the Governor-General made an address

At Eagle Farm, Brisbane, the Governor-General and Lady Cosgrove, as guests of the Managing Director, TradeCoast Central Project, Mr Bob Tucker, attended the opening of the Trade Coast Heritage Park Interpretative Centre.

On Wednesday 15 July, at the University of Western Sydney Parramatta South Campus,, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) and Lady Cosgrove, as guests of the Chancellor, Professor Peter Shergold AC, visited the Whitlam Institute and met with academics, staff and students.

Afterwards, at the Sir Ian and Nancy Turbott Auditorium, the Governor-General and Lady Cosgrove, as guests of Conference Convenor, Dr Sev Ozdowski OAM attended the 2015 ‘Advancing Community Cohesion’ Conference, at which the Governor-General delivered the keynote address.

At the University of Western Sydney Parramatta South Campus, the Governor-General and Lady Cosgrove, as guests of Conference Convenor, Dr Sev Ozdowski OAM attended the 2015 ‘Advancing Community Cohesion’ Conference, at which the Governor-General delivered the keynote address.

On Sunday 12 July 2015, at the Kings Domain Gardens, Melbourne, the Governor-General, General the Honourable Sir Peter Cosgrove AK MC (Retd) as Patron-in-Chief, and Lady Cosgrove, as guests of the Chairman of the Sir Edward ‘Weary’ Dunlop Medical Research Foundation, Mr Mike O’Meara, attended the annual Commemorative Service, at which the Governor-General and Lady Cosgrove laid a wreath.