diggings in the Mariana Islands has revealed pottery that dates to 3500 years ago. The logical migration route would have been from the Northern Philippines, 1200 nautical miles away. To get to the Marianas from there means sailing dead to windward against the Northeast trade winds. That may set the timeline back some for the early development of the Oceanic proa.
Sailing for Survival written by Mary R. Mennis is a report on the trading systems and canoes of Papua New Guinea
Tangaroa is the Polynesian god of the sea and seafaring. This carving recently sold for $1.5 million. Nice to see him getting some well deserved recognition.