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Tabula Rasa Institute


About TRI
Shared Peace Heritage Archive
Conflict Resolution Education Clearinghouse
PeaceWorker Database and Directory
Historic Peace Archive
OJPCR Project
OJPCR: The Online Journal of Peace and Conflict Resolution
Independent Associates Program

Our History


In January 1998, TRI's Executive Director, Derek Sweetman, founded OJPCR: The Online Journal of Peace and Conflict Resolution to address the lack of free-of-charge access to academic resources in the field of peace studies and conflict resolution.

From the significant positive response to OJPCR, it became clear that there was both a need and a desire for materials of this kind, especially in a globally accessible, free-of-charge format.

This led to the creation of TRI in January 1999. It immediately took over publication of OJPCR.

In May of 1999, TRI launched its website,, the hub of its information- and resource-generation activities. Since May, the site has received visitors from over 100 countries.

In June 1999, TRI was granted 501(c)(3) nonprofit status by the Internal Revenue Service.


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