'First of Australia's modern prime ministers'Holt became Australia's Prime Minister in January 1966, only two years before he vanished. Australian Prime Minister Harold Holt during an official visit to London, July 7, 1966. Mrs Gillespie points to the place she last saw Australian Prime Minister Harold Holt in December 1967. Australia was stunned at the news of their missing prime minister. Years later, Australians would honor their missing Prime Minister in a fashion befitting the country's famous laconic sense of humor.

Source: CNN December 17, 2017 03:00 UTC