Yñigo Ortiz de Retez (fl. 1545) was a 16th century Spanish maritime explorer, who navigated the northern coastline of the Pacific - Melanesian island of New Guinea, and is credited with bestowing the island's name ("Nueva Guinea"). The era of European sea explorations began in the late 15th century and lasted for a little more than three full centuries. ... View of the Pacific Ocean from Oregon. ... This article or section does not cite its references or sources. ...

On June 13, 1545 Ortiz de Retez, in command of the San Juan, left port in Tidore, an island of the East Indies and sailed to reach the northern coast of the island of New Guinea, which he ventured along as far as the mouth of the Mamberamo River. He took possession of the land for the Spanish Crown, in the process giving the island the name by which it is known today. He called it Nueva Guinea owing to the resemblance of the local inhabitants to the peoples of the Guinea coast in West Africa. June 13 is the 164th day of the year in the Gregorian calendar (165th in leap years), with 201 days remaining. ... Events February 27 - Battle of Ancrum Moor - Scots victory over superior English forces December 13 - Official opening of the Council of Trent (closed 1563) Battle of Kawagoe - between two branches of Uesugi families and the late Hojo clan in Japan. ... Tidore is an island and town in the Maluku Islands of eastern Indonesia, just west of the larger island of Halmahera. ... The Indies, on the display globe of the Field Museum, Chicago The Indies or East Indies (or East India) is a term used to describe lands of South and South-East Asia, occupying all of the former British India, the present Indian Union, Pakistan, Bangladesh, Myanmar, Sri Lanka, Maldives, and... The Mamberamo River is a large river in Papua province, Indonesia. ...  Western Africa (UN subregion)  Maghreb West Africa or Western Africa is the westernmost region of the African continent. ...