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Data Last Access: 
Thursday, 31 August, 2017
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Data Credits: 
Bernauer, T., Böhmelt, T., Buhaug, H., Gleditsch, N. P., Tribaldos, T., Berg, E., Wischnath, G. (2012): Water-Related Intrastate Conflict and Cooperation (WARICC): A New Event Dataset. International Interactions, DOI: 10.1080/03050629.2012.697428.
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Data Short Description: 
COW Project Dataset
Data Extended Description: 
The COW Project introduced COW Wars v4.0, 1816-2007 in 2010. The paper “The COW Typology of War: Defining and Categorizing Wars (Version 4 of the Data)” by Meredith Reid Sarkees gives an overview of the COW war typology, the descriptions of the basic variables, coding rules and some of the changes since “Resort to Arms.” In March 2010, the New COW War List was released. On June 30, 2010, the Non-State War Data (v4.0) became available. On October 28, 2010, the Intra-State War Data (v4.0) was released. On March 1, 2011, the Inter-State War Data (v4.0) became available online. Finally, we released the Extra-State War Data (v4.0) on December 8, 2011.