“Push and Pull on the Periphery: Inadvertent Expansion in World Politics” data
This dataset includes 258 observations of territorial expansion by the great powers from 1816 to 2014. Each expansion observation includes sixteen variables covering various features of the event, including the date, the identity of the expanding great power, the method of acquisition, the entity acquired, the identity of the losing side, whether the expansion observation was inadvertent, whether it was risky, whether the territorial entity was connected to the global telegraph network, among others.
The data can be downloaded here. If you make use of this data, please cite: Nicholas D. Anderson, “Push and Pull on the Periphery: Inadvertent Expansion in World Politics,” International Security, Vol. 47, No. 3 (Winter 2022/23), pp. 136-173.
“Warring-States Japan Battle Data”
This dataset includes 2,889 battles occurring within Japan during its Warring-States period, from 1467 to 1600. Each battle observation includes fifteen variables covering various features of the battles, including the date, location, participants, initiators, and victors, among others.
The data can be downloaded here. If you make use of this data, please cite: Nicholas D. Anderson, “Introducing the Warring-States Japan Battle Data,” International Interactions, Latest articles (2022).
“North Korea’s Militarized Provocations, 1995-2016”
This dataset includes 140 unique observations of North Korean militarized provocations between 1995 and 2016. Examples of militarized provocations included in the data are: territorial incursions on land, air, or sea; exchanges of fire across the DMZ or maritime boundaries; short, medium, and long-range missile tests; and nuclear tests.
The data can be downloaded here. It was used to construct Figure 5 in: Nicholas D. Anderson, “Explaining North Korea’s Nuclear Ambitions: Power and Position on the Korean Peninsula,” Australian Journal of International Affairs, Vol. 71, No. 6 (2017), pp. 621-641 (at 629). If you make use of this data, please cite this article.
Harvard Dataverse:
All publicly available data are also accessible on my Harvard Dataverse page, here.