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So I was reading up on Sulawesi and Java and I found that fishermen from Sulawesi would fish for sea cucumber around the coasts of Northern Australia. I'm not exactly sure about the dates but they seemed to have fished around here from the 15th-17th centuries. They also seemed to have traded with local aborigines. So how plausible would an earlier discovery of Australia by the Majapahit or even the Bugis be? Could they have colonised the coast? A Javanese-Australian Trade network?