10 most difficult East Africa riddles

In about 316 AD, Frumentius and his brother Edesius from Tyre were taken to the Ethiopian court as slaves. They were given positions of trust by the monarch, and converted members of the royal court to Christianity. Ethiopia, a major empire at the time, was the second country to officially adopt Christianity (after Armenia).

Haile Selassie was born as Tafari Makonnen Woldemikael. As Governor of Harer, he became known as Ras Tafari Makonnen (Ras means Duke). Among the Rastafari movement, which began in Jamaica in 1930s, Haile Selassie is revered as the returned messiah of the Bible, God incarnate. Currently, the movement has between 200,000 and 800,000 followers worldwide.

With over 86,000,000 inhabitants, Ethiopia is the most populous landlocked country in the world and the second-most populated nation on the African continent.

There are 23 species of tsetse flies, that inhabit much of mid-continental Africa between the Sahara and the Kalahari deserts. The tsetse fly serves as both a host and vector for the trypanosome parasites

The African Union Headquarters complex was built in 2012 by China State Construction Engineering Corporation as a gift from the Chinese government. It accommodates a 2,500-seat plenary hall and a 20-story office tower, among other facilities.

Tracing its roots to the 2nd millennium BC, Ethiopia was a monarchy for most of its history. When other African nations gained their independence following World War II, many of them adopted the colors of Ethiopia's flag, and Addis Ababa became the location of several global organizations focused on Africa.

Swahili is a contact language in Kenya, Tanzania, Rwanda and Burundi. 72% of Swahili vocabulary comes from bantu, and 23% - from Arabic.

Fasil Ghebbi is a fortress-enclosure located in Gondar, Ethiopia. It was built in 1636 by Emperor Fasilidies, who broke with the old tradition of the Ethiopian Emperors to travel around their possessions, living off the produce of the peasants and dwelling in tents. The unique architecture of Fasil Ghebbi shows diverse influences, including Nubian, Arab, and Baroque styles.

The break-up of Pangaea continues today in the Red Sea Rift and East African Rift. The latter will eventually become a sea separating Horn of Africa from the rest of the continent.

The classification of the aye-aye has been debated since its discovery. It was first classified as rodent, and as a squirel. However, the aye-aye is also similar to felines in its head shape, eyes, ears and nostrils. Molecular tests had shown it belongs to the lemurs superfamily.