The following is a chronology of major events leading up to the first-ever summit between sitting U.S. and North Korean leaders on Tuesday in Singapore.1945 -- The Korean Peninsula is liberated from Japan's colonial rule with its World War II surrender.1948 -- The peninsula is divided into the Soviet-backed North and the U.S.-supported South.1950 -- The Korean War begins.1953 -- The Korean War ends in an armistice.1985 -- North Korea becomes a signatory to the Nuclear Non-Proliferation Treaty.1992 -- North and South Korea sign a joint declaration on the denuclearization of the peninsula.199…READ FULL ARTICLE