"Australia," the departing Tony Abbott says, "has a role to play in the struggles of the wider world: the cauldron of the Middle East, and security in the South China Sea and elsewhere.
EDITORIAL: Tony Abbott leaves Australia with words to the wise →
"Hers has been a long, rich life of service to her country, to the Commonwealth," Abbott said. "We pay tribute to her dedication to duty. We wish her and her loving, remarkable husband health and happiness in the years ahead."
Queen Elizabeth II surpasses Queen Victoria's long reign →