1) The Nile is the longest river in Africa, at 4,132 miles (6,650 km). The Niger is the longest in sub-Saharan Africa, at 2,611 mi (4,200 km). The Zambezi is a mere 1,673 mi (2,693 km).
2) About 170 million people throughout north and northeast Africa speak Arabic (or some dialect of it) as their first language. Swahili is the most widely spoken sub-Saharan African language, and over 100 million people are through to speak it as a native or second tongue. About 130 million people speak English, though only a portion of those speak it as their first language (though untold millions around the continent speak it as a second, third, or even fourth language.)
3) Rhodesia, named after English colonist Cecil Rhodes in 1895.
4) Burkina Faso. The name was changed in 1984 by the late president Thomas Sankara.
5) Swaziland. Although Lesotho and Morocco are also ruled by monarchs, both are constitutional monarchies where the king/queen is obligated to submit to certain laws and customs.
6) Eritrea broke away from Ethiopia in 1991.
9) Idi Amin. (Mobutu Sese Seko was the ruler of the Republic of the Congo until 1997, and Robert Mugabe is the current leader of Zimbabwe.)
10) Cape Agulhas. (The Cape of Good Hope, though often thought to be the southernmost point, is actually the most southwesterly point. And Cape Point, which is only two miles east of the Cape of Good Hope, is just a hair to the north of it.)
11) 169 million.
12) Mosquitoes spread all three of these diseases.
14) Albert Lutuli, who was a South African civil rights activist and anti-apartheid campaigner, was the first African to win the Peace Prize in 1960.
15) South Western Township, a poor area of Johannesburg.