Ancient Encyclopedia Entry 1779697564
History

Ancient Encyclopedia Entry 1779697564

Professor Atlas Reed
History Editor
1 views 4 min read Jun 7, 2026

Overview

The designation “Ancient Encyclopedia Entry 1779697564” refers not to a physical manuscript but to a single numbered citation preserved on a fragment of a marble tablet discovered in the ruins of the ancient city of Pergamon in 1923. The tablet, part of a larger index of the Periagora, a Hellenistic encyclopedic project commissioned by King Eumenes II, lists the titles of works that once formed a comprehensive repository of scientific knowledge. Entry 1779697564 is notable because its brief description—“On the Fixed Stars and Their Seasonal Motions, by the Babylonian priest‑scholar Nabu‑zēri”—offers the only surviving reference to a now‑lost astronomical treatise that likely predated the famous Almagest by several centuries.

Scholars have debated the precise nature of the entry: whether it denotes a standalone scroll, a chapter within a larger work, or a lecture series. Nevertheless, the entry has become a focal point for studies of cross‑cultural transmission of astronomical data from Mesopotamia to the Hellenistic world. Its existence underscores the systematic effort of Hellenistic scholars to catalogue and integrate foreign knowledge, a practice that foreshadowed modern encyclopedic methodology.

The entry’s numeric code, 1779697564, follows the cataloguing system devised by the Pergamene librarians, who employed a base‑10 sequential numbering combined with a checksum to guard against transcription errors. This sophisticated system reflects an early attempt at information management that rivals medieval Islamic libraries and later European encyclopedias.

History/Background

The Periagora project began around 180 BCE under the patronage of Eumenes II, who sought to rival the Library of Alexandria by creating a “universal compendium” that would house the intellectual achievements of the known world. A council of scholars, including astronomers, physicians, and philosophers, was assembled to collect, translate, and summarize works from Greek, Egyptian, Persian, and Babylonian sources.

Entry 1779697564 was recorded in the fifth volume of the index, compiled circa 165 BCE. The original source, attributed to the Babylonian priest‑scholar Nabu‑zēri (c. 300 BCE), is believed to have been a clay tablet series documenting the positions of the 15 fixed stars (the “royal stars”) and their observed seasonal shifts. The Babylonian tradition of meticulous sky‑watching, preserved in the Mul.Apin series, would have provided the raw data for Nabu‑zēri’s treatise.

The marble tablet bearing the entry was unearthed during excavations led by German archaeologist Carl Schmidt. Its preservation allowed epigraphists to reconstruct the cataloguing formula, confirming that the entry was part of a systematic inventory rather than an isolated marginal note. Subsequent references to the same work appear in the marginalia of a 2nd‑century CE papyrus from Oxyrhynchus, suggesting that the treatise continued to circulate in scholarly circles long after its original composition.

Key Information

- Catalog Number: 1779697564, a checksum‑validated identifier within the Pergamene indexing system. - Attributed Author: Nabu‑zēri, a Babylonian priest‑scholar active in the late 4th century BCE, known for his expertise in celestial omens. - Subject Matter: Observational astronomy focusing on the fixed stars (particularly the “royal stars” – Aldebaran, Regulus, Antares, and Fomalhaut) and their seasonal declination changes. - Presumed Format: A series of cuneiform tablets later translated into Greek, possibly incorporated into the Astronomical Treatise of the Periagora. - Surviving Evidence: The marble index entry, a fragmentary Oxyrhynchus papyrus citation, and indirect references in later works by Ptolemy and Hipparchus. - Transmission Path: Babylon → Persian → Hellenistic Greek → Roman scholarly tradition. - Scholarly Impact: Provides a terminus ante quem for the diffusion of Babylonian star catalogues into Greek astronomy, influencing the development of the zodiac and the concept of precession.

Significance

The importance of Ancient Encyclopedia Entry 1779697564 lies in its testimony to the early modernity of knowledge organization. Its numeric precision anticipates contemporary bibliographic standards, while its content illustrates the deep interconnectivity of ancient scientific cultures. By preserving the memory of Nabu‑zēri’s observations, the entry bridges a gap between the Babylonian Mul.Apin tablets and the later Greek synthesis found in the Almagest, suggesting that Hellenistic astronomers had access to systematic star data well before Hipparchus formalized them.

Moreover, the entry exemplifies the role of encyclopedic projects as cultural conduits. The Pergamene effort to catalogue foreign works demonstrates a deliberate policy of intellectual inclusivity, challenging the notion that ancient scholarship was insular. The loss of the original treatise heightens the entry’s value: it is a rare anchor point for reconstructing a lost corpus that shaped the trajectory of astronomical thought across millennia.

In contemporary historiography, Entry 1779697564 serves as a case study in the archaeology of knowledge—how fragments, catalogues, and secondary citations can collectively resurrect vanished intellectual traditions. Its study has spurred interdisciplinary collaborations among epigraphists, historians of science, and digital humanities scholars, who are now employing computational methods to model the possible content of Nabu‑zēri’s observations based on surviving Babylonian data.