Elie Matar Sydney, Australia   Attempted Assassination of H.R.H. the Duke of Edinburgh at Clontarf, N.S.W. 1868, by Samuel Calvert (1828-1913). National Library of Australia. Used with Permission. When His Royal Highness Prince Alfred, Duke of Edinburgh and second son of Queen Victoria, landed on the shores of Sydney on January 21, 1868, he was…