During the Falklands War between Argentina and the United Kingdom ( April - June 1982 ) , Australia sided with the United Kingdom and imposed sanctions against and refused all imports from Argentina . Relations between Argentina and Australia slowly returned to normal after the war . In 1998 , President Carlos Menem became the first Argentine head of state to visit Australia . Scott Morrison was the first Australian Prime Minister to visit Argentina during 2018 G20 Buenos Aires summit
2018 G20 Buenos Aires summit
2018 G20 Buenos Aires summit
Argentina–Australia relations