Humans likely first took to the seas about 50,000 years ago. But there's mounting evidence that our Neanderthal cousins were routinely sailing throughout the Mediterranean twice as long ago. Alternatively, they were just really good at long distance swimming.
It would be so much easier if giant seafaring vessels could be built on the water. But that's impractical, silly! Which is why, instead, we build those humongous ships on dry land, get them as close to the water as we can, give 'em a shove and hope for the best. And by "the best," I mean "huge splashes and boats…
About 9,000 years ago, the Fuzhou Basin in southeastern China fell victim to rising sea levels, pushing underwater the marshy lands needed for rice farming. The marooned people there became seafarers, which eventually led to the colonization of Taiwan.