Réponse :Bonsoir
1.1973
2.1923 .
3.1915
5.1920 .
Explications :2.The Sydney Opera House was completed on October 20, 1973.
2.Vegemite first appeared on the market in 1923 .
3.Surfing was brought to Australia in 1915
5.Qantas was founded in Winton, Queensland, on 16 November 1920 .
