1850  - 

Lawrence Hargrave, Australian inventor of the box kite, is born. 

1895  - 

It is agreed at a conference of Australian Premiers that forming a Federal Constitution is a priority. 

1957  - 

Danish architect Joern Utzon is named as the winner of the competition to find a designer for the new Sydney Opera House.

1886  - 

Karl Benz patents the internal combustion engine.