Can the Koreas Unite? This is the question many north and south Koreans may be asking them selves this very moment. Military struggle fought on the Korean Peninsula from June 1950 to July 1953. Began a war between north and south Korea that ended up involving Korea but twenty other nations as well. Wen the war ended the two parts of the once hole Korean peninsula where divided into two halves. North Korea and South Korea. The north that was backed by the communists (Russia) was communist and South Korea backed by the USA democratic. The ....