There are biennial questions that arise with the arrival of each new Olympics, and they involve the colors worn by a few nations: Australia, Italy, and the Netherlands.
Australia’s baseball team wears green and gold at the World Baseball Classic, but the colors don’t come from the national flag.
Why do the Australians wear yellow and green? The Australian flag has a blue base with a red-and-white Union Jack and six white stars. So why do Australia's teams and athletes wear yellow and green?
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