North Korea Nuclear Timeline Fast Facts

CNN Editorial Research (CNN) — Here is a look at North Korea's nuclear capabilities and the history of its weapons program. 1985 North Korea signs the Nuclear Non-Proliferation Treaty (NPT). 1993 The International Atomic Energy Agency (IAEA) demands that inspectors be given access to two nuclear waste storage sites. In response, North Korea threatens to quit the NPT but eventually opts to continue participating in the treaty. 1994 North Korea and the United States sign an agreement. North Korea pledges to freeze and eventually dismantle its old, graphite-moderated nuclear reactors in exchange for international aid to build two new light-water…