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Tag Archives: historical datasets

Some Comments on Turner on Old World Iron

21 Saturday Nov 2020

Posted by Sean Manning in Ancient

≈ 2 Comments

Tags

ancient, archaeometallurgy, article review, historical datasets, Iron Age, methodology, quantitative methods, SESHAT

an outline map of Eurasia with coloured dates marked on it, all multiples of +100 or -100 except for the year 1

Map 1 from Turner 2020. “First acceleration in the use of iron across Afro-Eurasia … When iron becomes a material used for multiple object types … iron is used on a much greater scale 100 years after the proposed date and on a much smaller scale 100 years before the proposed date.”

Someone associated with the SESHAT project has taken Andre Costopoulos’ suggestion to focus on things which leave good archaeological evidence like metallurgy. They wrote a study of the spread and improvement of iron technology across the Old World. That is a topic that I am an expert on, so how does the paper hold up?

  • Turner, Edward A. L. (2020) “Anvil Age Economy: A Map of the Spread of Iron Metallurgy across Afro-Eurasia.” Cliodynamics 11.1 https://doi.org/10.21237/C7clio11145895

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A Correction on Lists of Empires

29 Saturday Feb 2020

Posted by Sean Manning in Ancient, Medieval, Modern

≈ Leave a comment

Tags

ancient, comparative evidence, grand theories of history, historical datasets, imperialism, medieval, modern

Two peacocks with their tails down walking across gravel with a snowbank and a holly or ivy hedge in the background

Somebody’s tail is not very flufffy this February

I would like to make two corrections to my post on Rein Taagepera’s study of the size of empires.

When I compared the 2006 and 2009 updates to Taagepera’s lists, I missed one new empire in the 2009 article: Scythia. I have added it to the original post.

I said that the 2006 article added eight empires to Taagepera’s lists. I was wrong. I trusted a note on page 221 of the 2006 article by Turchin, Adams, and Hall:

Our list of large historical states was based on the compilation by Taagepera, which has been systematized and posted on the web by Chase-Dunn and coworkers http://irows.ucr.edu/. We checked the Taagepera list with all major historical atlases in the library of the University of Connecticut and found eight additional empires that fit our criteria (Axum, Hsi-Hsia, Kara-Khitai, Srivijaya, Maurian, Kushan, Gupta, and Maratha).

Four of their eight empires (Axum/Aksum in the Horn of Africa, Srivijaya in Indonesia, the Hsi-Hsia/Western Xia who were rivals of the Song Dynasty in China, and Maratha in South Asia) appear to be absent from Taagepera’s articles, but the other four are present and accounted for: Kara-Khitai (as W. Liao in Taagepera 1997), Gupta (Taagepera 1979 p. 132), Kushan (Taagepera 1979 p. 132), Maurian (as Maurya in Taagepera 1979 p. 132).
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Be Careful with Rein Taagepera’s Lists of Largest Empires

25 Saturday Jan 2020

Posted by Sean Manning in Ancient, Medieval, Modern

≈ 7 Comments

Tags

ancient, comparative evidence, grand theories of history, historical datasets, imperialism, Median Empire, medieval, world history

A map of Eurasia and Africa with biomes and ancient and medieval states marked

Isn’t this a cool map? The places where states which controlled at least a million square kilometers before 1800 were founded, from Turchin, “A Theory for the Formation of Large Empires.” Look how many there are in North China and Southwest Asia, and how few in Southeast Asia or Europe! (Although part of that is the fact that we treat the long history of the Byzantine and Roman empires as one thing, but each Mongol or Chinese dynasty as different)

After a chat with T. Greer of The Scholar’s Stage, I read an interesting article by Peter Turchin called “A theory for formation of large empires” (2009). He is curious whether other world regions show the same pattern as China of empires beginning in the steppe or in the neighbouring farmland not the richest and safest agricultural districts. As he says, a lot of research focuses on the decline and disintegration of empires, not so much how a single king can come to rule millions or tens of millions of people in the first place: why do some empires last centuries when most fall to pieces within decades?

Turchin catalogued 64 states until the year 1800 CE with an area of at least a million square kilometers, and found that “over 90% of historical mega-empires were located next to or within the Old World arid zone extending from the Sahara desert to the Gobi desert” (which is a slightly different claim than the one about steppe frontiers, but never mind). When I read his list, one line popped out at me:

A table with statistics on empires including Assyria, Media, Achaemenid Persian, Alexander's (Hellenistic), Seleucid, and Parthia

The table lists a Median empire with 2.8 million square kilometers in -585 (which is 586 BCE in Julian astronomical years with a year 0, but I think he means 585 BCE). That would have been as large as Iran, Afghanistan, and Pakistan combined. And the trouble is that such an empire probably did not exist, and if it did exist we don’t know its area.

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Economists vs Historians on Economic History

05 Saturday Sep 2015

Posted by Sean Manning in Ancient, Modern

≈ 1 Comment

Tags

ancient, Brad DeLong smackdown, economic history, historical datasets, modern, population history, Someone is Wrong in the Library

A man with stag`s horns growing out of his head and a spear in his hand is bitten by a pack of small dogs with long snouts

Aktaion is devoured by his hounds. Imagine me as a particularly yippy one just out of scene. Photo of an Apulian red-figure vase in the Badisches Landensmuseum, Karlsruhe, Germany courtesy of the Theoi Project http://www.theoi.com/Gallery/K6.8.html; they have copyright

Economists such as Gregory Clark and Brad DeLong like to tell people that between the dawn of time and 1800 or 1900 there was no growth in GDP per capita and very slow population growth. As an ancient historian this leaves me scratching my head. I decided to write this post after reading the 1998 version of DeLong’s ideas but similar ones appear to be common.

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