Complex sentence: Adding to the pressure was the fact that Australia won no gold medals at the 1976 Olympics in any sport, so the public were still awaiting their first gold since the 1972 Summer Olympics in Munich.
Split into simpler sentences: Adding to the pressure was Australia's failure to win any gold medals in any sport at the 1976 Olympics. This meant that the public were still awaiting their first gold since the 1972 Summer Olympics in Munich.