World oil crisis

Arab members of OPEC (the Organization of Petroleum Exporting Countries) cut oil supply to countries supporting Israel, causing soaring petrol prices and widespread shortages.

Sails of the century

The Sydney Opera House is opened by Her Majesty Queen Elizabeth II after years of controversy over its design. In hindsight, you’d have to say it was worth it.

Highway to hell

On New Year’s Eve, a small band performs its first gig in Sydney. Founders Malcolm and Angus Young selected the group’s name after seeing AC/DC written on a sewing machine.