Traditional fishing boat were used for war and trade. Some ancient vessels were propelled by either oars or sail, depending on the speed and direction of the wind (see trireme and bireme). The Chinese were using sails around 3000 BC, of a type that can still be seen on traditional fishing boats sailing off the coast of Vietnam in Ha Long Bay. A jangada is an elegant planked fishing boat used in northern Brazil. It has been claimed the jangada dates back to ancient Greek time. It uses a triangular (lateen) sail, which allows it to sail against the wind. A felucca is
Nero exploration of Nile river Nero exploration of Nile river The Roman exploration of the Nile River under Nero was a Roman attempt to reach the sources of the Nile river. It was organized by emperor Nero in 60/61 AD. How successful the expedition was is disputed by historians. Emperor Nero around 61 AD sent a small group of praetorian guards to explore the sources of the Nile River in Africa. He did this in order to obtain information for a possible conquest of Ethiopia, as was called Equatorial Africa (and everything south of Egypt) by the Romans. The Roman legionaries navigating the Nile from