This annotated chronology is no longer being regularly updated.
The North Korea Nuclear Chronology tracks news coverage of selected nuclear-related stories pertaining to North Korea from 1999 to 2013. Some entries provide international or domestic context for technological development and national policymaking. Moreover, some entries may refer to developments with positive consequences for nonproliferation. Inclusion in this chronology does not necessarily indicate that a particular development is of direct or indirect proliferation significance.