Congo River and "Congo" is the preferred English name in 19th-century literature, although references to "Zahir" or "Zaire" as the name used by the inhabitants remained common. The Democratic Republic of the Congo and the Republic of the Congo are named after it, as was the previous Republic of the Congo which had gained independence in 1960 from the Belgian Congo. The Republic of Zaire during 1971–1997 was also named after the river, after its name in French and Portuguese. The Congo's drainage basin covers , an area larger than India. The Congo's discharge at its mouth ranges from , with an
2/27th Battalion (Australia) 2/27th saw heavy fighting as the 21st Brigade led the 7th Division's efforts to capture the high ground around Shaggy Ridge. In mid-October, the 2/27th helped turn back a heavy Japanese counterattack around John's Knoll and Trevor's Ridge, before the 21st Brigade was relieved. Halfway through the campaign, in mid-November, Bishop was replaced as battalion commander by Lieutenant Colonel Keith Picken, and returned to a staff position. Picken subsequently led the battalion throughout the remainder of the war. By early January 1944, the 2/27th was withdrawn from the fighting and in March 1944 it returned to Australia. A further period