Congo River mentioned in 1535. Abraham Ortelius in his world map of 1564 labeled as "Manicongo" the city at the mouth of the river. The tribal names in "Kongo" possibly derive from a word for a public gathering or tribal assembly. The modern name of the Kongo people or "Bakongo" was introduced in the early 20th century. The name "Zaire" is from a Portuguese adaptation of a Kikongo word, ("river"), a truncation of ("river swallowing rivers"). The river was known as "Zaire" during the 16th and 17th centuries; "Congo" seems to have replaced "Zaire" gradually in English usage during the 18th century,
27th Marine Regiment (United States) South Vietnam and the 27th Marines was one of the units sent. The 27th Marines became the first Marine regiment to fly into a combat zone. Their deployment overseas put a severe strain on manpower in the Marine Corps and they were returned to the United States before the close of 1968. A homecoming parade was presented as a Memorial Ceremony downtown San Diego to the lives the regiment had given in Vietnam. The unit was then reassigned to MCB Camp Pendleton within the area of the base called Camp Margarita or the 33 Area. 27th Marine Regiment (United States)