Modern
Posts on events in the last few hundred years
What is a Martial Art?

Back when I started historical fencing, I thought about what is a martial art and came up with a definition which worked for what I was doing (ie. trying to learn to fight a particular way). Someone interested in martial arts communities might chose a different definition: someone is an Olympic wrestler or SCA heavy fighter because they participate in a certain kind of event, and how they move is irrelevant.
Definition: A martial art is a subset of all the possible ways of moving effectively in combat which works well together and is sufficient to solve a martial problem.
We shall divide this sermon into six parts.
A Correction on Lists of Empires

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).
Read moreIs That a Dagger I See Before Me?
Some Thoughts on “The Smart Girl’s Guide to Privacy”

Violet Blue, The Smart Girl’s Guide to Privacy: Practical Tips for Staying Safe Online (No Starch Press: San Francesco CA, 2015) Digita Publications
Writer and journalist Violet Blue is working on a new edition of The Smart Girl’s Guide to Privacy. So even though its a little bit late for Data Protection Day on 28 January, I think its time to dust off my review. Her book has a clear and distinct vision of its audience, and avoids the traps which most writers on security and privacy fall in to.
Read moreBe Careful with Rein Taagepera’s Lists of Largest Empires

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:

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.
Read moreThe Rise of Europe or the Age of Imperialism?
At some point in the 19th century, eight states controlled the vast majority of the earth’s surface and population (over the course of the century they lost ground in Central and South America but gained it in Asia, Africa, and North America). The eight consisted of four kingdoms and republics in the former Western Roman... Continue reading: The Rise of Europe or the Age of Imperialism?
The Decade Still Has a Year Left
Friends! Netizens! Countrymen! The Dionysian era and the Common Era have no year 0 (because 0 did not exist in Europe when the Venerable Bede popularized numbering years by “the year of our lord”) so in those systems a decade runs from year 1 to year 10 and a century runs from year 1 to... Continue reading: The Decade Still Has a Year Left
2019 Year-Ender
Books are precious things, and Doctor Manning finally has time to read them for fun again (and to really read them, not just skim them looking for facts or quotes). At the end of this year and the start of another, as I sit in rainy Innsbruck, I would like to tell my gentle readers about some of the ones I read in 2019.
I read Victoria Corva’s very relatable young adult fantasy Books and Bone (self-published, 2019) about a town cartographer trying to follow a vocation which she can’t prove is more than a myth.
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Dis Manibus Steven Johansson (20 September 2019)
Some time in the late 1990s “Guys! The first time one of us dies, we have to give them an all-black cover on the magazine.” “I see what you are doing, you just want a promise before you step in front of a bus and get the coveted cover spot. Munchkin!... Continue reading: Dis Manibus Steven Johansson (20 September 2019)