Ancient History and Origin of "Navigation" & Maritime Ancient history of shipping, trading on oceans date back to many years and evidence of trade between civilizations dates back at least two millennia are found. Indians and Chinese have the oldest known history of shipping and during 3rd millennium BCE inhabitants of the Indus Valley initiated maritime trading contact with Mesopotamia. After the Roman annexation of Egypt, roman trade with India increased. Even in Puranas and Vedas, ships are mentioned. During Lord Krishna’s regime in Dwarka (more than 5000 years ago), maritime trading between India and Mesopotamia existed. Silk and other commodities were traded. Ancient History states that Greeks were known to have traveled to India through sea route for trade and cultural exchange. In Puranas and Vedas, ships are elaborately mentioned. During Krishna’s regime in Dwaraka (more than 5000 years ago), maritime trading between India and Mesopotamia existed. Silk and other commodities were traded. The art of Navigation was born in the river Sindh more than 6000 years ago. The very word Navigation is derived from the Sanskrit word "NAV Gatih".The word navy is also derived from Sanskrit `Nou‘. In Rigveda 1.25.7; 7.88.3 and other instances, Samudra (Ocean/Sea) is mentioned together with ships. In RV 7.89.4 the rishi Vasishta is thirsting in the midst of water. Other verses mention oceanic waves (RV 4.58.1,11; 7.88.3). Some words that are used for ships are Nau, Peru, Dhi and Druma.A ship with a hundred oars is mentioned in RV 1.116.There were also ships with three masts or with ten oars. In RV 9.33.6 says: ‘From every side, O Soma, for our profit, pour thou forth four seas filled with a thousand-fold riches'.Rig Veda mentions the two oceans to the east and the west, (Bay of Bengal and Arabian Sea) just as they mention ships and maritime trade. In Ramayana, Guha carries Ram, Sita, Lakshman in his boat while they were in exile. When Ram’s brother Bharat comes later to the same place along with the whole royal household, citizens of Ayodhya and a large army, with the intention of bringing Rama back to Ayodhya from exile, Guha, suspecting Bharata’s intentions, takes precautionary measures by ordering five hundred ships, each manned by one hundred youthful mariners to keep in readiness, should resistance be necessary. Those ships are described to have ‘Swastika’ sign on them. In Mahabharata, the ship contrived by Vidura for the escape of Pandavas is described as : “the ship strong enough to withstand hurricanes, fitted with machinery and displaying flags“. Even Greek History describes war at Troy started with journey on many ships and it ended with Trojan Horse. Ship building technology of Ancient India Chandragupta Maurya’s minister, Chanakya alias Kautilya, around 320 BCE devotes a full chapter to waterways under a Navadhyaksha ‘Superintendent of ships’. His duties included the examination of accounts relating to navigation, not only on oceans and rivers, but also on lakes (natural or artificial). Fisheries, pearl fisheries, customs on ports, passengers and mercantile shipping, control and safety of ships and similar other affairs all came under his charge.