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The Ghana Empire (Arabic: غانا), also known as simply Ghana, [2] Ghanata, or Wagadu, was a West African classical to post-classical era western-Sahelian empire based in the modern-day southeast of Mauritania and western Mali. It is uncertain among historians when Ghana's ruling dynasty began. The first identifiable mention of the imperial ...
Romans in sub-Saharan Africa. Between the first century BC and the fourth century AD, several expeditions and explorations to Lake Chad and western Africa were conducted by groups of military and commercial units of Romans who moved across the Sahara and into the interior of Africa and its coast. However, there was a more significant Roman and ...
Pont du Gard (1st century AD), over the Gardon in southern France, is one of the masterpieces of Roman technology. Ancient Roman technology is the collection of techniques, skills, methods, processes, and engineering practices which supported Roman civilization and made possible the expansion of the economy and military of ancient Rome (753 BC – 476 AD).
Ancient Roman engineering. Reconstruction of a 10.4 m (34 ft) high Roman Polyspastos in Germany. The ancient Romans were famous for their advanced engineering accomplishments. Technology for bringing running water into cities was developed in the east, [clarification needed] but transformed by the Romans into a technology inconceivable in Greece.
The area of the Republic of Ghana (the then Gold Coast) became known in Europe and Arabia as the Ghana Empire after the title of its Emperor, the Ghana. [1] Geographically, the ancient Ghana Empire was approximately 500 miles (800 km) north and west of the modern state of Ghana, and controlled territories in the area of the Sénégal River and east towards the Niger rivers, in modern Senegal ...
The 9th century was a period from 801 (represented by the Roman numerals DCCCI) through 900 (CM) in accordance with the Julian calendar. The Carolingian Renaissance and the Viking raids occurred within this period. In the Middle East, the House of Wisdom was founded in Abbasid Baghdad, attracting many scholars to the city.
Hellenistic technology made significant progress from the 4th century BC, continuing up to and including the Roman period. Some inventions that are credited to the ancient Greeks are the following: bronze casting techniques, water organ (hydraulis), and the torsion siege engine. Many of these inventions occurred late in the Hellenistic period ...
The Roman Pantheon had the largest dome in the world for more than a millennium and is the largest unreinforced solid concrete dome to this day [1]. The Roman architectural revolution, also known as the concrete revolution, [2] is the name sometimes given to the widespread use in Roman architecture of the previously little-used architectural forms of the arch, vault, and dome.