Early Islam: Qur’an, Hadith and the Formation of a Community

Early Islam is not a single chronological layer. The Qur’an, early manuscripts and inscriptions, sira, hadith, the caliphate and legal schools belong to different periods and require different evidentiary weighting.

Early Islam is often narrated as if the Qur'an, later biographies of Muhammad, hadith collections, legal schools and caliphal institutions all belonged to the same moment. They do not. The Qur'an is the earliest central text of the movement; early manuscripts, inscriptions, coins and some documents belong to the first Islamic century; the great hadith collections and most surviving biographical narratives were written later. When these layers are collapsed into one, the story becomes smooth but the history disappears.

this article therefore applies the same rule as the preceding articles “How do sacred texts form? Oral tradition, redaction and canon”, “Second Temple Judaism: the world from which rabbinic Judaism and Christianity emerge” and “Early Christianity: from the Jesus movement to diverse churches and canon”: a later source is not automatically false, and an earlier source is not automatically complete. Every testimony receives a chronological label and an evidentiary weight. Traditional Muslim history is tested against manuscripts, epigraphy, coins, early documents and comparative transmission analysis; radical revisionist reconstructions must pass the same test and receive no privilege merely because they oppose tradition.

The strongest material evidence today supports neither a Qur'an composed only several centuries after Muhammad nor the claim that every detail of later traditional narrative can be read directly from the earliest evidence. Very early manuscripts and shared orthographic peculiarities point toward an early written standardization of the Qur'anic consonantal text, while the Sana'a palimpsest also preserves genuine early textual variation.

The history of early Islam is therefore a history of revelation and recitation, but also of community, power, civil conflict, empire, memory and institutions. Religious tradition can preserve historical memory; state and religious authority can also standardize it. The task of historical method is not to pronounce revelation true or false, but to show which layers can actually be documented and where later interpretation begins.

The Qur'an is the earliest central source, but it is not a biography of Muhammad

For the history of early Islam, the Qur'an is the major text closest to the events from which the movement emerged. Its form, however, is unlike the later sira. It does not provide a continuous chronological biography of Muhammad, but a collection of recitations, warnings, legal and moral instructions, polemics, narrative allusions and addresses to a community. It therefore reveals much about theology, disputes and early communal self-understanding, while giving us much less of a precise life chronology.

The Cambridge overview of Qur'anic transmission emphasizes an interplay of oral and written transmission: revelation was recited and memorized, while writing also began very early. This corrects two simplifications. 'Oral' does not mean that no writing existed; 'written' does not mean that recitational tradition was unimportant.

this article therefore treats the Qur'an neither as a late record of everything that happened nor as a stenographic transcript of Muhammad's life. It is the earliest central text of the tradition and must be compared with manuscripts, epigraphic evidence and later narrative sources.

The Birmingham folios and early manuscripts: very early writing, not a miraculous time capsule

The Birmingham Qur'an manuscript contains portions of suras 18–20 in an early Hijazi script. Radiocarbon dating of the parchment produced a 568–645 range at 95.4 percent probability. This places the material extremely close to Islam's beginnings and is strong physical evidence against theories that move the basic Qur'anic text deep into the eighth or ninth century.

Radiocarbon dating, however, dates the death of the animal from which the parchment was made, not the moment when ink was placed on it. The University of Birmingham therefore cautiously catalogues the manuscript as mid-seventh century by combining radiocarbon results with palaeography. Good history does not make a stronger claim than the evidence can carry.

The broader pattern matters even more. Comparison of numerous early Qur'anic manuscripts reveals shared orthographic peculiarities that are difficult to explain without a common written archetype. This strongly supports an early standardization of the consonantal skeleton of the text.

The Sana'a palimpsest: early standardization and early variation can both be true

The Sana'a palimpsest is one of the most important corrections to simple stories. The parchment was used twice for Qur'anic text. The erased lower layer represents a textual type that differs at a number of points from the later standard or 'Uthmanic' type; the upper layer is much closer to that standard.

This does not prove the existence of a wholly different Qur'an. It does show that variants in wording, order or formulation existed in the earliest period before one textual type became nearly universal. At the same time, the fact that almost all other early manuscripts belong to the same Uthmanic type is strong evidence for very early consolidation.

The most defensible conclusion is therefore double: the Qur'an's textual history is more stable than the most radical late-composition theories assumed, and more historically dynamic than a claim of complete absence of early variation allows. A variant is not the same thing as a 'corrupt text'; standardization is not the same thing as proof that every later narrative about the standardization process is independently documented.

Parchment leaf from an early Qur’an written in Hijazi script in the second half of the seventh century.
This early Qur’anic parchment from the second half of the seventh century is direct material evidence for early written transmission. It does not by itself reconstruct the entire standardization process, but it helps separate manuscript evidence from much later narrative sources. Image: Richard Mortel / David Collection / Wikimedia Commons CC BY 2.0

Medina: a religious movement becomes a political community

The hijra to Yathrib, or Medina, mattered not only as a migration. The movement acquired a new political and legal dimension. The document commonly called the Constitution of Medina, or Kitab, is accepted by most modern scholars as very early and is often dated to the first years after the hijra; it regulates relations between groups, common defence, responsibility and Muhammad's role in adjudication.

The word 'constitution' can be anachronistic if it evokes a modern nation-state. The text is closer to an agreement or cluster of agreements among clans and allies. That is precisely why it is valuable: it shows that the early umma was not only an abstract community of believers. It also developed a practical order for conflict, security, blood liability, defence and relations with Jewish groups.

Here begins a question that will accompany Islamic history: how religious authority, communal order and political power overlap. The fact that they overlap does not mean that every later state decision is automatically religiously legitimate.

Muhammad's death left no single uncontested constitutional model of succession

The Qur'an does not prescribe a detailed constitutional procedure for political authority after Muhammad's death. Later Muslim narratives describe the selection of Abu Bakr, then Umar, Uthman and Ali, but the first generation itself experienced intense disputes about leadership, legitimacy and accountability. Uthman's killing in 656 opened the first major civil war, in which the struggle over power became intertwined with questions of justice and communal loyalty.

Later Sunni and Shi'i identities should not simply be projected back into 632 as already finished denominations. The dispute over Ali's position and the Prophet's family is early and real, but the theological, legal and institutional forms of Sunnism and Shi'ism develop over a longer period. Karbala in 680 becomes a particularly powerful memory of Shi'i identity, not the sole instant of its creation.

Symmetric skepticism is essential here. Later victorious state narratives had interests in legitimating power; later oppositional traditions had their own memorial and legitimating interests. This does not make either side fictitious. It means that political interest in a source calls for more testing, not automatic acceptance or rejection.

The Umayyads and Abd al-Malik: a public Islamic identity becomes institutional

Within a few decades of Muhammad's death, Arab-Muslim rule spread across former Byzantine and Sasanian provinces. Such an empire required taxation, administration, judges, armies, money and a public language of legitimacy. We therefore need to look not only at later chronicles but at the material traces of government.

The Dome of the Rock in Jerusalem, completed around 691–692 under Abd al-Malik, carries a long Arabic religious inscription containing monotheistic confession, reference to Muhammad and Qur'an-related language about Jesus. Reformed Umayyad coinage from 696–697 likewise publicly displays monotheistic formulas, Muhammad as the messenger of God and Qur'anic wording. These are physically dated witnesses that a distinctively Islamic public identity was institutionally visible by the end of the seventh century.

They also demonstrate the power of the state to standardize symbolic space. A coin, monumental inscription or official building does not merely bear witness to belief; it also reveals who has the power to inscribe belief onto the public surfaces of an empire. Political power can consolidate identity, but it cannot by itself prove the truth of the theology it proclaims.

Arabic inscription and ornament inside the Dome of the Rock in Jerusalem.
The Dome of the Rock, completed under Abd al-Malik at the end of the seventh century, is material evidence for the public institutionalization of Islamic identity. Its monumental inscription is especially useful because it is chronologically closer to the early period than the later biographical and hadith collections. Image: Virtutepetens / Wikimedia Commons CC BY-SA 4.0

Sira: the earliest surviving biography is later than the events, but not therefore worthless

When we seek a detailed life of Muhammad—childhood, event sequence, battles, conversations and individual episodes—we depend much more heavily on sira and maghazi than on the Qur'an. The earliest surviving large biographical tradition is associated with Ibn Ishaq, who died around 768–769, roughly a century and a quarter after Muhammad's death.

Ibn Ishaq's work itself does not survive as the author's original manuscript. Its best-known form comes through the editor Ibn Hisham in the early ninth century, while additional material survives in other authors such as al-Tabari. Ibn Hisham explicitly tells us that he omitted certain material. Thus 'Ibn Ishaq says' often means a reconstruction through later transmission.

Chronological distance, however, is not a licence to discard the entire corpus. By comparing chains, textual variants and independent witnesses, scholars can sometimes trace individual traditions closer to the first generations. The proper label is therefore: a later literary source with possible older layers that must be analysed case by case.

Hadith: memory of the Prophet becomes a vast science of verification and authority

Hadith reports attribute sayings, actions and approvals to Muhammad and become central to law, ritual and ethics. Yet major Sunni collections such as Sahih al-Bukhari and Sahih Muslim were compiled in the ninth century. This means that several generations of transmitters, teachers, regional traditions and selection stand between the alleged event and the canonical collection.

Muslim scholars did not discover this problem only in modernity. They developed extensive methods for evaluating transmitters and isnads; even the highly authoritative collections of Bukhari and Muslim were criticized within the classical tradition at the level of individual reports. Modern scholarship has added isnad-cum-matn comparison, which in some cases can reconstruct earlier stages of transmission.

Both extremes are therefore too weak: 'it is in a hadith collection, therefore it is historically certain' and 'the collection is late, therefore everything is invented'. The date of the collection, structure of transmission chains, relationship among textual versions, political context and content must be analysed together.

The Sharia system and legal schools did not descend fully formed

The Qur'an contains legal and moral norms, and the early community needed adjudication and administration from the beginning. But the classical system of Islamic law—with developed legal theory, hadith canons and stable madhhabs—formed gradually. Early judges, local practice, reasoned judgment, Prophetic tradition and caliphal authority interacted during the first centuries.

Hallaq and other historians of law show that the legal schools as durable intellectual communities crystallized especially from the late eighth through the tenth century. Al-Shafi'i is important in arguing for the central textual authority of the Qur'an and Prophetic sunna, but his model was itself part of a debate, not a description of a system already complete in 632.

This matters for the distinction between faith and institution locked in “Religion and Ritual: How to Compare the Sacred Without Reduction”. A believer may hold that law rests on revelation; a historian may simultaneously show that concrete institutions, pedagogies, canons and legal schools developed through human history. Those claims are not logically incompatible.

What history can tell us—and what it cannot decide for us

The safest historical picture of early Islam is more complex than either popular extreme. We possess a very early Qur'an and strong evidence for early standardization of its basic written type; we also possess early variants, later canonization of readings, later biographical and hadith collections, and political conflicts that shaped memory and institutions.

Official religious tradition is not exempt from audit because it became the majority tradition. Revisionist theory is not superior merely because it is more provocative. When manuscripts rule out a late chronology, that chronology should be abandoned. When material evidence does not support details of a later narrative, that too should not be concealed. Truth gains nothing from double standards.

The Natural Law boundary remains the same as with other institutions: political victory, a caliphal decree, a legal school or a canonical collection can create social authority, but power cannot manufacture truth. Conversely, historical variation alone does not prove spiritual content false. History can reconstruct the route of transmission; metaphysical truth must be judged on another level.

Sources and further reading

  1. University of Birmingham — Birmingham Qur’an FAQ: manuscript contents, Hijazi script and radiocarbon range 568–645; radiocarbon dates parchment rather than ink.
  2. University of Birmingham — Research and conservation: radiocarbon dates the death of the animal; palaeography plus carbon dating support a mid-seventh-century catalogue date.
  3. Cambridge Companion to the Qur’an — Fred Leemhuis, From palm leaves to the Internet: Qur’anic transmission combined oral recitation/memorization with early writing.
  4. Cambridge / Bulletin of SOAS — Marijn van Putten: shared orthographic idiosyncrasies across early manuscripts support a single written Uthmanic archetype in the first Islamic century.
  5. Institute of Ismaili Studies — The Sanaa Palimpsest: two Qur’anic layers; lower text dated to the first Islamic century and preserving variants.
  6. Nicolai Sinai — Beyond the Cairo Edition: the lower layer of the Sanaa Palimpsest is the only known material witness to a Qur’anic recension different from the canonical one.
  7. Cambridge — Asma Hilali on Qur’anic variants/readings: qira’at and variant traditions were historically transmitted and later canonized.
  8. Cambridge — Michael Lecker, Constitution of Medina: the Kitab is widely treated as an authentic early document from the time of Muhammad, probably from the first year after the hijra.
  9. Cambridge / IJMES — Said Amir Arjomand: the Constitution of Medina can be analysed as a composite set of early legal deeds from 622–627 organizing the nascent umma.
  10. Cambridge — Wilferd Madelung, The Succession to Muhammad: wholesale rejection of Muslim narrative sources is unjustified; judicious source criticism can reconstruct early caliphal history.
  11. Cambridge — New Cambridge History of Islam on legitimacy and early political organisation: the Qur’an did not prescribe a detailed post-Muhammad form of government.
  12. Cambridge — Abbas Barzegar: elements of later proto-Sunni communal identity formed through late Umayyad and early Abbasid political/religious networks.
  13. Cambridge — Harry Munt: later classical rules about non-Muslims in the Hijaz illustrate how firmer communal boundaries could develop after the earliest period.
  14. Edinburgh/JSTOR — Marcus Milwright, Dome of the Rock and its Umayyad Mosaic Inscriptions: internally dated 72 AH / 691–692 inscription is major primary evidence for early Islamic public identity.
  15. Qatar Museums — Umayyad dinar of Abd al-Malik, 696 CE: reformed coinage uses aniconic Islamic inscriptions, including Muhammad as Messenger and Qur’anic wording.
  16. Cambridge — Ira Lapidus, Muhammad: Preaching, Community and State Formation: early sira/maghazi material was quasi-oral/quasi-written; Ibn Ishaq is the earliest surviving major biography, later edited by Ibn Hisham.
  17. Cambridge — Görke and Schoeler, Earliest Writings on the Life of Muhammad: modern scholarship spans traditionalist and radical sceptical extremes; source structure explains the controversy.
  18. Cambridge — Earliest Non-Muslim Writings on Muhammad: non-Muslim sources are valuable independent evidence but also require contextual source criticism.
  19. Cambridge — Introduction to isnad-cum-matn methodology: modern hadith dating compares chains and texts rather than accepting or rejecting the corpus wholesale.
  20. Oxford Journal of Islamic Studies — Jonathan Brown: Bukhari (d. 870) and Muslim (d. 875) acquired canonical status, yet individual reports were criticized within the classical Muslim tradition.
  21. Cambridge / Bulletin of SOAS — Between Qum and Qayrawan: modern source criticism distinguishes isnad, matn, collection dating and combined methods; hadith corpora have different transmission histories.
  22. Cambridge — Wael Hallaq, Early judges and legal specialists: early Islamic legal administration and scholarly authority developed incrementally under the Umayyads.
  23. Cambridge — Wael Hallaq, Formation of legal schools: madhhabs as durable schools developed over the eighth–tenth centuries rather than existing fully formed at Islam’s beginning.
  24. Cambridge — Ahmed El Shamsy, Canonization of Islamic Law: eighth- and ninth-century transformation of communal normative practice into systematic textual legal science.
  25. Cambridge — Law in Formation: al-Shafi‘i’s textual theory centered Qur’an and hadith amid competing early approaches to legal authority.