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 Armoured Brigade reserve, 9th Brigade Group. During the follow-up operations after D-Day the 27th Armoured Brigade continued to support I Corps' attacks along the River Orne towards Caen. On 11 June a squadron of 13/18th Hussars supported 6th Airborne Division's attacks along the river, and later in the month the regiment supported 51st (Highland) Infantry Division in further attacks along the river. On 8 and 9 July, 27th Armoured Brigade supported I Corps' final successful attack on Caen. On 18 July Second British Army began a major offensive south from Caen (Operation Goodwood). I Corps' task was to attack along the left