SYDNEY (Reuters) -Australia held a national day of mourning for Queen Elizabeth II on Thursday, with Prime Minister Anthony Albanese saying the greatest tribute the nation could offer was not a statue but “a renewed embrace of service to the community”. With the day declared a national holiday, a memorial ceremony attended by 600 dignitaries was held at Parliament House in Canberra for Queen Elizabeth, who died on Sept. 8 after 70 years on the throne. As Australia’s head of state she toured the country 16 times during her reign. The ceremony was opened by a First Nations Elder, Aunty Violet Sh…