A Yoruba Chronology, with Confidence Levels
A dated timeline of Yoruba history in which every entry is marked for how well the date is actually established, since much early dating is contested.
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A dated timeline of Yoruba history in which every entry is marked for how well the date is actually established, since much early dating is contested.
This is a dated timeline in which every entry carries a confidence marker, because Yoruba dates fall into four very different categories and presenting them in one undifferentiated list would misrepresent all of them. A radiocarbon range from an excavated context and a reign date reconstructed backwards from a king list are not the same kind of fact, and a reader deserves to see which is which.
How to read the confidence markers.
[High] means the date is fixed by a document produced at the time, or by a modern record. Colonial correspondence, treaty signings, published books, dated photographs. The uncertainty is at most a few days.
[Archaeological] means the date comes from radiocarbon or thermoluminescence dating of excavated material. These are ranges, not points, and the range given is the range. They date the material sampled, not the event a tradition attaches to that material.
[Reconstructed] means historians have derived the date by argument from a combination of sources: king lists with estimated reign lengths, cross-references to dated external events, and internal consistency. Margins are typically a decade or more and often much wider the further back you go. Different scholars give different figures.
[Traditional] means the date comes from oral tradition and has no independent verification. These are recorded because the tradition places the event there, not because the event is dated. They should never be quoted as historical dates without the qualifier.
[Contested] means competent scholars actively disagree, and the disagreement is substantive.
A general warning about the deep past: any Yoruba date before roughly 1500 CE that is given as a specific year rather than a range is almost certainly a reconstruction dressed up as a fact. Treat precision as a warning sign.
c. 2500 BCE to c. 300 BCE, Proto-Yoruboid. The reconstructed common ancestor of Yoruba, Ìgálà and Itsẹkiri, located by historical linguistics near the Niger-Benue confluence. [Reconstructed, low confidence on the dates specifically] The relationship between the languages is secure; the absolute dating rests on glottochronological assumptions that historical linguists themselves consider unreliable for absolute chronology .
Mid first millennium BCE onward, ironworking in the region. Iron smelting and forging in West Africa, with Nok evidence from as early as the sixth century BCE. Yoruboid speakers developed ironworking before the wide use of copper alloys. [Archaeological]
c. 300 BCE to c. 800 CE, settlement of the forest and forest margin. Ogundiran's reconstruction of the long southwestward movement and settlement of Yoruboid speakers, with Yoruba society forming through this process rather than arriving formed. [Reconstructed]
c. 800 to 1000 CE, construction of Sungbo's Eredo begins. The Ijẹ̀bú earthwork system, an estimated 3.5 million cubic metres of moved earth, southwest of Ijẹ̀bú-Òde. [Archaeological] Note this predates the Ijẹ̀bú dynastic tradition by several centuries, which is itself an important fact.
8th to 12th century CE, Òrun Ọba Adó, Ilé-Ifẹ̀. Radiocarbon dates from Willett's excavation. [Archaeological]
Later first millennium CE, emergence of divine kingship and Yoruba urbanism. Ogundiran's placement of the key institutional innovations. [Reconstructed]
11th to 13th century CE, Ita Yemòó, Ilé-Ifẹ̀. Radiocarbon dates for the occupation. [Archaeological]
12th to 15th century CE, the potsherd pavement period. The majority of radiocarbon dates for potsherd pavements across more than thirty Yorubaland sites, coinciding with sociopolitical centralisation and urbanisation. [Archaeological]
Early second millennium CE, primary glass production at Igbo Olókun, Ilé-Ifẹ̀. Over 12,000 glass beads and hundreds of crucible fragments; the high-lime, high-alumina composition establishes local manufacture from raw materials. [Archaeological] This is among the most secure findings in the entire Yoruba record.
1221 to 1369 CE, the Wunmonije copper-alloy heads. Thermoluminescence dates from clay cores in two of the heads found by accident in 1938 behind the Ọ̀ọ̀ni's palace. [Archaeological]
c. 1250 to 1350 CE, Blier's "high florescence" of Ifẹ̀ art. Derived from thermoluminescence results combined with the estimated reign era of Obalúfọ̀n II in Ifẹ̀ king lists. [Contested] The thermoluminescence component is archaeological; the tightening of the range by reference to a king list is an argument, and the attribution of specific works to specific rulers is art-historical inference rather than a finding.
1295 to 1435 CE, Ita Yemòó castings and terracottas. [Archaeological]
13th or 14th century, Odùduwà at Ilé-Ifẹ̀; the dispersal of the crowned rulers. [Traditional] No independent dating exists for Odùduwà. The versions of the tradition conflict, and Robin Law argues the Odùduwà charter itself spread over time as a political device. [Contested]
13th century, Igueghae carries brass casting from Ifẹ̀ to Benin. [Traditional] Held in both Ifẹ̀ and Benin traditions and disputed by some Benin scholars.
Late 14th century onward, drought, famine, smallpox and out-migration from Ilé-Ifẹ̀. Ogundiran's "Atrophy and Regeneration," c. 1400 to 1650, with dynastic collapse and alteration in the fifteenth and sixteenth centuries. [Reconstructed]
c. 16th century, end of the potsherd pavement tradition. [Archaeological]
1505, Portuguese account of Geebuu. A Portuguese source describes a very large city surrounded by a great moat, ruled by a figure rendered Agusale, recognisably Ijẹ̀bú-Òde and the Awùjalẹ̀. [High] This is the earliest firm documentary date for a named Yoruba polity.
16th century, Benin expands into the Lagos area; Àṣípa appointed first Ọba of Lagos. [Traditional/Reconstructed]
c. 1535, Nupe forces under Tsoede sack Ọ̀yọ́-Ile; roughly 80 years of dynastic exile follows. [Reconstructed]
1550s, Portuguese accounts record the Benin court's testimony about Ogané. A supreme authority far inland who legitimates each new Benin ruler, generally identified with the Ọ̀ọ̀ni of Ifẹ̀. [High for the document; the identification with the Ọ̀ọ̀ni is Reconstructed]
c. 1608 onward, Aláàfin Ọ̀finràn recovers territory and Aláàfin Abípa repopulates Ọ̀yọ́-Ile. [Reconstructed]
17th century, European merchants record cowrie shell as the established currency of the Yoruba and Benin regions. [High]
1728, first major Ọ̀yọ́ invasion of Dahomey. Ọ̀yọ́ cavalry proves decisive against Dahomean firearms and fortifications. [Reconstructed, well supported]
1730, Dahomey agrees to annual tribute to Ọ̀yọ́. Forty men and women, guns, and four hundred loads of cowries and coral, after campaigns by Aláàfin Òjìgí. [Reconstructed, well supported]
1748, Dahomey fully subjugated after repeated campaigns. [Reconstructed]
June to October 1754, Bàṣọ̀run Gaha forces four Aláàfin to suicide. [Reconstructed]
1774, Aláàfin Abíọ́dún has Gaha executed. [Reconstructed]
1807 and 1808, Britain and the United States abolish their slave trades. [High]
c. 1807, birth of Samuel Àjàyí Crowther at Ọ̀ṣogun. [Reconstructed]
1817, Àfọ̀njá's rebellion at Ilọrin. The Aàrẹ Ọ̀nà Kakanfò breaks with the Aláàfin, allying with Muslim fighters under Shehu Àlímì. [Reconstructed, well supported]
1817 to 1822, the Ọ̀wu war. Five-year siege ending in the destruction of Ọ̀wu; the first major Yoruba conflict decided by European firearms. [Reconstructed]
1817 to 1836, an estimated 121,000 people exported from the Yoruba-speaking region. Roughly 42 percent to Brazil, roughly 40 percent to Cuba; 75,700 documented on 243 ships; over 47,000 Lucumí arrivals in Cuba. [Reconstructed, statistical] These are model-based estimates from the Trans-Atlantic Slave Trade Database, not counts.
April 1822, Crowther liberated from a slave ship by a British patrol and landed in Sierra Leone. [High]
1823, Dahomey decisively defeats Ọ̀yọ́, ending the tributary relationship. [Reconstructed]
1829, Abd al-Salam, son of Àlímì, becomes emir of Ilọrin; Ilọrin aligns with the Sokoto Caliphate. [Reconstructed]
c. 1830, founding of Abẹ́òkúta by Ṣódẹkẹ́ with Ẹ̀gbá refugees. [Reconstructed]
1830s, founding of Ìbàdàn on a former Ẹ̀gbá site by a mixed force of Ọ̀yọ́, Ifẹ̀, Ijẹ̀bú and Ẹ̀gbá warriors. [Reconstructed]
1830s onward, Sàró return migration from Freetown begins. [Reconstructed]
c. 1833 to 1836, Ilọrin destroys Ọ̀yọ́-Ile; survivors found Àgò d'Ọ̀yọ́. [Contested on the exact year] Sources give dates across this range. [Reconstructed]
c. 1834, Ṣódẹkẹ́ settles the Ọ̀wu refugees at Abẹ́òkúta. [Reconstructed]
c. 1840, Ìbàdàn checks Ilọrin's southward advance at Ọ̀ṣogbo. [Reconstructed]
1842, CMS enters Yorubaland at Badagry with Henry Townsend and Thomas Birch Freeman. [High]
1843, Crowther ordained; publishes the first Yoruba grammar and vocabulary. [High]
December 1851, British bombardment of Lagos; Akitoye installed; Benin tributary relationship ended. [High]
1851, Abẹ́òkúta repels a Dahomean invasion with British assistance. [High]
1852, Crowther publishes a translation of four New Testament books. [High]
1859, Ìbàdàn sacks Ilé-Ifẹ̀. [Reconstructed]
6 August 1861, Lagos Treaty of Cession. Ọba Dòsùnmú signs after eleven days of resistance under threat from HMS Prometheus commanded by Beddingfield. [High]
1862, Ìbàdàn destroys Ìjàyè. [Reconstructed]
1864, Crowther consecrated Bishop, the first African Anglican bishop. [High]
1865, Ẹ̀gbá United Board of Management established at Abẹ́òkúta. [High]
1870, Ìbàdàn sacks Ilésà. [Reconstructed]
3 October 1871, Látòsisà installed Aàrẹ Ọ̀nà Kakanfò of Ìbàdàn. [High]
30 July 1877, outbreak of the Kiriji or Sixteen Years War. Látòsisà attacks the Ẹ̀gbá; the Èkìtìparapọ̀ forms in alliance with Ìjẹ̀ṣà. [High]
August 1878, Battle of Ìkìrun, the Jalumi war. [High]
7 April 1879, death of Ìbàdàn's Balógun Ajayi Ogboriefon; Ògèdèngbé takes confederate command at Ìmẹ̀sí-Ilé. [High]
1880s, the Lagos Èkìtìparapọ̀ Society ships Snider, Martini-Henry and Winchester rifles to the eastern camp. [High]
1884, the complete Yoruba Bible published. [High]
August 1885, death of Látòsisà. [High]
23 September 1886, peace treaty signed at Ìmẹ̀sí-Ilé. [High]
1886, Dahomey destroys Kétu. [Reconstructed]
March 1888, Native Baptist Church founded in Lagos, the first indigenous church in West Africa. [High]
1889, Anglo-French boundary divides western Yorubaland, placing Kétu and Sábẹ̀ in French territory. [High]
1891, death of Samuel Àjàyí Crowther. [High]
1892, British invasion of Ijẹ̀bú; annexation to the Southern Nigeria Protectorate. [High]
14 March 1893, final dispersal of the Kiriji camps under Captain Bower; Governor Carter's treaties with Ọ̀yọ́ and the Ẹ̀gbá. [High]
29 April 1901, death of Samuel Johnson at Lagos. [High]
1914, amalgamation of the Northern and Southern Protectorates; Ẹ̀gbá United Government abolished. [High]
1914, Reformed Ogboni Fraternity founded by T. A. J. Ogunbiyi. [High]
1921, publication of Samuel Johnson's The History of the Yorubas, twenty years after his death, reconstructed and edited by his brother Obadiah Johnson. [High]
1924, publication of E. A. Ajisafe's The Laws and Customs of the Yoruba People. [High]
1934, Yaba Higher College opens. [High]
1938, Wunmonije Compound copper-alloy heads found at Ilé-Ifẹ̀ during construction work. [High]
1938, D. O. Fágúnwà publishes Ògbójú Ọdẹ Nínú Igbó Irúnmalẹ̀, the first full-length Yoruba-language novel. [High]
1945, Ẹgbẹ́ Ọmọ Odùduwà founded in London by Ọbáfẹ́mi Awólọ́wọ̀. [High]
1947, Abẹ́òkúta Women's Union formed; November 1947, an estimated 10,000 women march on the Aláké's palace. [High]
1948, University College Ibadan opens. [High]
April 1948, direct taxation on women suspended in Abẹ́òkúta. [High]
3 January 1949, the Aláké Ademola II abdicates. [High]
21 March 1951, Action Group founded at Ìbàdàn. [High]
1952, Amos Tutuọla publishes The Palm-Wine Drinkard. [High]
1955, free and compulsory primary education introduced in the Western Region. Enrolment rises from 381,000 in 1952 to 811,432 in 1955. [High]
December 1957 to January 1958, Frank Willett's rescue excavation at Ita Yemòó. Further campaigns to 1963. [High]
1959, first television service in Africa established in the Western Region. [High]
1 October 1960, Nigerian independence. [High]
1962, Action Group split and state of emergency in the Western Region; Awólọ́wọ̀ tried for treasonable felony and imprisoned in 1963. [High]
1964, first performance of Duro Ladipo's Ọba Kò So. [High]
1967, twelve states created, dissolving the Western Region as a single unit. [High]
1968 to 1969, Agbẹkọ̀ya farmers' revolt in the west. [High]
1977, military raid on the Kalakuta compound; Fúnmiláyọ̀ Ransome-Kuti thrown from a window, dying of her injuries in 1978. [High]
June 1993, annulment of the presidential election apparently won by Moshood Abiola; Abiola dies in detention in 1998. [High]
2005, UNESCO lists the Ọ̀ṣun-Ọ̀ṣogbo Sacred Grove as a World Heritage Site and the Ifá divination system as intangible cultural heritage. [High]
2006, Lankton, Ige and Rehren propose local primary glass manufacture at Ilé-Ifẹ̀ (published 2006, from earlier work). [High]
2010 to 2012, Babalola's excavations at Igbo Olókun recover over 12,000 glass beads and production debris. [High]
2015, publication of Suzanne Blier's Art and Risk in Ancient Yoruba. [High]
2020, publication of Akinwumi Ogundiran's The Yorùbá: A New History. [High]
The Odùduwà traditions and the versions that compete with them, the argument over migration versus indigenous development, and what excavation at Ilé-Ifẹ̀ has actually dated.
How Ọ̀yọ́ rose to dominate the western Yoruba region and beyond, the constitutional machinery that constrained its king, the cavalry that made it work, and why both eventually failed.
The fall of Ọ̀yọ́, the Ilọrin and Sokoto dimension, the Ọ̀wu war, the rise of Ìbàdàn, the Sixteen Years War at Kiriji, and the political map they left behind.
Cultural nationalism and the African church movement, the Abẹ́òkúta women's revolt, Awólọ́wọ̀ and the Western Region, the Yoruba in the Nigerian federation, and the present revival of interest in traditional knowledge.
The kinds of evidence historians use to reconstruct the Yoruba past, what each kind can and cannot prove, and how one 1921 book shaped everything written since.
Ilé-Ifẹ̀ between roughly the eleventh and fifteenth centuries, its sculpture in copper alloy and terracotta, the industries that paid for it, and its relationships with Benin, Ọ̀wọ̀ and the Niger.