The West African coast on the Gulf of Guinea comprises a network of lagoons and waterways stretching from the Volta River to Lagos, with hundreds of miles of navigable waterways, good agricultural land, and both access to the Atlantic Ocean shelter from its storms. People have lived in this area for at least two-and-a-half thousand years, potentially much longer, although we do not really know how long. The archaeological record of this area is poor. The wet tropical climate does not favour preservation, much of the landscape is made up of shifting islands and waterways, which appear and vanish over time, and many old occupation sites are seen as sacred by the local population.
During the twelfth and thirteenth centuries AD, Aja-speaking peoples migrated from the Tado area on the River Mono in what is now eastern Togo migrated southeast onto what is now southern Benin, conquering or intermingling with the peoples already living their, and forming a new ethnic identity, the Fon. By around 1600 AD, this are had been split into three kingdoms, Allada (or Greater Arda), on the southeastern coastal plain of modern Benin, Ajatche (or Lesser Arda) on the southwestern coastal plain, and Dahomey on the Abomey Plateau, inland and to the north of both.
Initially Allada appears to have been dominant to the other two kingdoms, which paid it tribute, but sometime between 1620 and 1645, however, this relationship was overturned when a King of Dahomey, probably Dakodonu, overthrew the king of Allada. The name Dahomey itself is probably a misnomer, meaning, roughly 'The King had his stomach ripped out' in the Fon language, in reference to this overthrowing of Allada; the people of the kingdom probably always referred to it as 'Abomey', the name of both the capitol city and the plateau on which it stands, but European travellers favoured Dahomey, which was the name eventually given to the French colony which was formed in 1894; this later gained independence as the Republic of Dahomey in 1960, changing its name to the People's Republic of Benin in 1975 (confusingly, this refers to the Bight of Benin, part of the Gulf of Guinea; the city of Benin is far to the east in Nigeria), and the Republic of Benin in 1990.
Dahomey appears to have embraced the opportunity to trade with Europeans early. It initially traded extensively with Portugal, importing firearms, cloth, beads and Cowrie shells, cloth, and alcohol, and exporting local goods and slaves. This trade appears to have been profitable to both sides, relations were good between the nations, and Dahomey established a permanent diplomatic mission in Brazil, so important was the trade relationship. Portuguese traders recorded Dahomey as a civilised country with a ruling class living in walled cities and an agricultural economy, based largely on serf labour, not notably different to its neighbours. Most of the slaves purchased there were local serfs, with some prisoners of war captured from neighbouring states.
Over time, the Portuguese were replaced as the main trading partners of Dahomey by the British, whose merchants told a very different story. They recounted Dahomey as a fierce warrior kingdom, with a standing army of over ten thousand, including regiments of female amazon warriors. This Dahomey waged constant war against its neighbours, and exported thousands of slaves every year, all apparently taken in battle. The agricultural system had been transformed, with a plantation system imported from the Americas and manned by more captured slaves, the Dahomeans themselves appear to have been almost entirely employed in the business of war (even the women). Furthermore, each year a great ceremony, known to Europeans as the 'Customs of Dahomey' took place in which hundreds of slaves were sacrificed to the local deities of the Voodún (or Voodoo) religion (despite their willingness to trade with Europeans, the Kings of Dahomey appear to have had little time for Christian missionaries).
There are a number of potential explanations for this difference. Possibly, the Portuguese were unaware, or untroubled, by the ferocious nature of the Dahomeans, although given the apparent closeness of the two nations, and the general enthusiasm of the Portuguese Empire for spreading the Catholic faith (which was willing to put up with quite a bit of brutality in the name of Christ, but nor any pagan deity), this seems unlikely. Alternatively, British merchants may have greatly exaggerated the behaviour of the Dahomeans. This would have had some advantages, if Dahomey was such a wild and savage place, then the merchants who ventured there would be seen as correspondingly more brave and adventurous by their peers. Also, slavery was much easier to justify if you were taking slaves from brutal masters in Africa, who might sacrifice at any moment on the whims of the priests of some terrible pagan god, and selling them on into the comparatively benign stewardship of a Christian planter in the New World. A third explanation is that the size of the slave industry had a brutalising affect on the kingdoms of West and Central Africa, as over time each nation had to raise a larger-and-larger army to protect its own citizens from raids by its neighbours, and was forced to fund its armies by carrying out more-and-more raids on its neighbours. Under this scenario, which was favoured by abolitionists in Britain and elsewhere, smaller African states were wiped from the map, with their citizens being shipped en mass to the Americas, while the remaining nations needed not just to be well armed, but to appear sufficiently alarming to be left alone.
The Voodún religion is not a doctrinal monolithic faith with a single religious text like Christianity or Islam, but rather a polytheistic religion with a large (and variable) number of deities, with different stories told about them in different places. The religion has historically been followed in the southeast of Ghana, southern parts of Togo and Benin, and the southwest of Nigeria (although the variable nature of the religion means that there can be some doubt about where it starts and finishes), and has spread to areas of the New World, including parts of Brazil, the Caribbean, and the Southwestern United States.
Voodún is split into a large number of cults, each dedicated to a specific deity, with different forms of worship, although most commonly through 'fetishes', idols in which divine spirits are believed to reside, and to which sacrifices (typically of food) are made. Some are open in their worship, organising large public festivals and parades; others are secretive in nature. A persistent rumour among Voodún worshippers, and neighbouring peoples, is that some of these more secretive cults practised Human sacrifice (a popular trope in both Hollywood and Nigerian movies), something which appears to have become part of the official state religion in Dahomey.
From 1728 the Oyo Empire, a Yoruba state based in western Nigeria, which had by this time expanded to cover most of Yorubaland (the area occupied by culturally Yoruba people) and several areas outside it, staged a series of invasions of Dahomey, finally incorporating it as a vassal state in 1748. During this time a Dahomean King named Agaja married a Voodún priestess named Hwanjile, about whom there are a variety of legends. Hwanjile may have been herself captured by the Dahomeans as a slave, before marrying the king, and may have brought two sons from a previous relationship with her, who then became stepsons of the king. It is also said that when the Oyo Emperor demanded a son of the King of Dahomey be sent to him as tribute, and all of the other wives of the king refused to send their sons, that Hwanjile sent one of hers.
Agaja was a successful military leader, who expanded to borders of Dahomey in several directions by taking over smaller states, but was unable to completely repel assaults by the Oyo Empire, a much bigger state with a large and highly effective cavalry. In 1740 Agaja died, probably in another battle with Oyo, he was not succeeded by his oldest son and official heir, Zinga, but by a younger son, Tegbessu, who was either a son of Hwanjile, or had made an alliance with her.
Upon becoming king, Tegbessu appointed Hwanjile his 'Kpojito' a title which translates roughly as 'Queen Mother'. Similar roles exist in many traditional African kingdoms, and imply a female relative who co-rules with a king. This is not usually the king's spouse, and while it could be his mother, it might equally be an aunt or sister. In this role Hwanjile appears to have significantly re-arranged religious practices within Dahomey, introducing new deities, and (allegedly) the custom of human sacrifice. The name Hwanjile has itself become an important title, with a succession of priestesses descended from the original Hwnajile taking on the name and serving as chief priestess to this day. Tegbessu was eventually forced to submit to dominion by the Oyo Empire, but remained an important ruler, reigning over Dahomey until his death in 1774.
Tegbessu was followed as king by Kpengla (the relationship between the two is unclear), who ruled till 1789, with the throne passing to his son, Agonglo, who ruled till 1797, and was succeeded by his son, Adandozan. All three of these kings struggled against, but were ultimately unable to overthrow, dominion by the Oyo Empire. In 1818 Adandozan was overthrown in a coup by his brother (or son, depending on the version of the story), Ghézo, with the aid of a Brazilian slave trader called Francisco Félix de Sousa. With de Souza's help, Ghézo significantly restructured the Dahomean state, replacing a peasant-based agricultural system with plantation system manned by captive slaves, similar to that of Brazil, and using the freed Dahomean workforce to vastly expand the military.
In 1823, the Dahomeans began raiding areas outside of Dahomey but considered to be under the protection of the Alaafin (Emperor) of Oyo. The Alaafin immediately ordered that this cease, and a large sum of reparations be paid. Instead, Ghézo sent de Souza as a messenger to Oyo, demanding that Oyo make peace. The Alaafin rejected this, and dispatched an expeditionary force to Dahomey, with the aim of putting down the rebellion, but this was defeated by Ghézo's reformed military, securing independence for the kingdom.
In theory, this should have left Dahomey well-placed, and independent nation with a strong military, no need to pay tribute to a larger state, and having good contacts with the market to which its primary commodity, slaves, was sold. Unfortunately, in the 1833 slavery was abolished throughout the British Empire, and the British Navy began imposing a blockade on the Atlantic coast of Africa intended to prevent everyone else stop trading in slaves too. This did not bring an immediate end to the slave trade (demand for slaves was growing in the Americas at this time, British merchants were still quite happy to trade in goods derived from slave labour, and those freed by the British Navy intercepting slave ships were more likely to end up in indentured servitude in a British colony somewhere), but it did present a significant problem for African states with economies reliant on the export of slaves.
This lead to a slow weakening of Ghézo's power both at within his kingdom, where a poor economy undermined support for his reign, particularly following the death of de Souza in 1849, and in the wider region, where states such as Abeokuta and Badagry in southern Nigeria profited by forming close ties with the British. In 1851 Ghézo launched a disastrous invasion of Abeokuta, in which the armies of Dahomey were defeated with British support, and which led to a British naval blockade of all ports controlled by Dahomey. In 1852 Ghézo was forced to sign in a treaty promising to end the trade in slaves (although British officials in the region never believed he was completely sticking to this), and in 1853, in a second treaty, he agreed to end the sacrifice of captives taken in wars in the annual customs (convicted criminals could still be executed at these events). In 1857 Ghézo officially announced he was breaking these treaties and resuming the slave trade probably in response to internal pressures within his kingdom, and in 1858 launched a second war against Abeokuta. Unfortunately, the Dahomean army was defeated just as quickly on this occasion, and Ghézo was (probably) assassinated later that year, being replaced by his son Glele. Dahomey never regained its military strength, and in 1890 was invaded by France, being first made a protectorate, and then four years later officially part of French West Africa.
Each of the Kings of Dahomey built their own palace complex, including a mixture of residential, administrative, and ceremonial buildings. In 1944, Charles André Maurice Assier de Pompignan, Lieutenant-Governor of the Dahomey Colony and Dependencies, converted these palaces into a museum, the Royal Palaces of Abomey, open to the public, something which they remain to this day, additionally becoming a UNESCO World Heritage Site in 1985. Between 2018 and 2022, a collaboration between the Musée du quai Branly - Jacques Chirac, the Université d'Abomey-Calavi, and the French Ministère de l'Europe et des Affaires étrangères, were allowed to carry out archaeological investigations at the Royal Palaces of Abomey.
Within the compound of Ghézo at the Royal Palaces of Dahomey is the tomb of the king himself. The mortar from which these buildings were made is reputed to have contained a mixture of ritual ingredients, including the blood of 41 sacrificed Human victims (the ritual inclusion of magical or sacred ingredients into the mortars from which traditional buildings were made is not unusual in West Africa, but including the blood of sacrificed Human victims certainly is).
The archaeologists were able to take two samples from an inside wall of King Ghézo's tomb at the Royal Palaces of Dahomey. These were then tested for their protein content, with the results of the study being published in May 2024 in a paper in the journal Proteomics, by Philippe Charlier of the Musée du quai Branly - Jacques Chirac, the Laboratory of Anthropology, Archaeology, and Biology at Université Paris-Saclay, and the Foundation of Anthropology, Archaeology, and Biology at the Institut de France, Virginie Bourdin, also of the Laboratory of Anthropology, Archaeology, and Biology at Paris-Saclay University, Didier N’Dah of the Département d’Histoire et d’Archéologie at the Université d’Abomey-Calavi, and Mélodie Kielbasa, Olivier Pible, and Jean Armengaud of the Département Médicaments et Technologiespour la Santé at Université Paris-Saclay, present the results of this study and discuss its implications.
Proteomics, the study of proteins recovered from ancient materials, is a relatively new discipline, which has some distinct advantages over the more established discipline of palaeogenomics. Proteomics it targets ancient proteins rather than DNA. Since protein is much more stable than DNA, this enables the study of much older samples, as well as samples from environments where DNA is unlikely to be preserved well, such as the wet tropical climate of the Abomy Plateau. Moreover, while our DNA is identical in every cell, each tissue the body produces contains a number of unique proteins, which not only helps to determine the type of tissue being examined, but also helps to rule out contamination, as this is typically in the form of skin or hair cells, and can be excluded from a study such as that carried out by Charlier et al. which was looking primarily for traces of blood.
Charlier et al. were able to identify 5866 different peptides (short chains of amino acids, which can be combined together to form proteins) in their sample, including 4208 from Bacterial proteins, 1240 from Eukaryotes, and 50 from Archaeans. Of the Eukaryotic peptides, 271 could be assigned to Chordates, including 49 from Bovids, 21 from Chickens, and 215 from Humans. Furthermore, while the Bovine peptides were largely associated with milk, many of the the Human and Chicken peptides were associated with blood, indicating that both Human and Chicken blood had been added to the mixture from which the mortar had been made, with Human blood making up a significantly larger portion.
Thus, Charlier et al.'s data strongly indicates that Human blood was a significant ingredient of the mixture from which the walls of the tomb of Ghézo were made. This in turn appears to support the more lurid stories of European, particularly British, visitors to the Dahomey from the eighteenth and nineteenth centuries, which emphasise the frequency and large scale of Human sacrifice within the kingdom. However, this is a study of a single tomb from a specific point in the history of Dahomey, and does not imply that this was the case throughout the kingdom's history, thus the earlier, largely Portuguese, accounts which do not mention these practices may equally be true, in which case the kingdom may have adopted these practices during its long involvement with the slave trade and constant wars with neighbouring states.
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