Around 2,000 years ago, members of which large African language family began settling in Angola?

Around 1930, William Lear helped develop which device for cars, sold under the name Motorola? Which nun moved into the slums of Calcutta around 1948 to help the poor and was beatified on October 19, 2003? Around 1950, three Southeast Asian states gained some autonomy, weakening the colonial union known as French what? Around 1964, North Vietnam began turning which famous supply route into a road that trucks could use? About 2 million years ago, which probable human ancestor, whose name means "handy man," was using simple stone tools? Around 2500 B.C., the Harappan civilization flourished along which river in Pakistan and northwestern India? Around 2600 B.C., Pharaoh Djoser was entombed in what kind of step structure, the first large stone building of its kin… Which early modern humans, named after a rock shelter in France, succeeded the Neanderthals in Europe?