>>23907281put simply, football, meat pies, kangaroos and holden cars.
more in depth, we invented a good chunk of the stuff that makes the makes the modern world possible such: wifi and modern refrigeration(because the refrigeration technology at time sucked as keeping beer cold enough for queensland) to name a couple, though our proudest invention at a nation is the goon sack. the globle media is all owned by an aussie, though we all think he's a wanker. we control the resources supply market in east and south asia, which makes china seethe whenever we stop selling coal to them because all their powerplants can only run on aussie coal. we also practiced slavery until the 1960's and colonialism right up to 1976.
I think that's about it. I got some of it.