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North Korea | Facts, Map, & History | Britannica
History of North Korea | Flag, Maps, Events, & Dates | Britannica
North Korea - Wikipedia
History of North Korea - Wikipedia
North Korea - South Korea, Nuclear Weapons, President | HISTORY
Korea, North - World Factbook Glyph
North Korea country profile - BBC News
Facts and History of North Korea - ThoughtCo
North Korea profile - Timeline - BBC News
North Korea summary | Britannica