The following is a chronology of events leading up to the working level talks on Aug. 23 that resulted in an agreement to hold reunions for families separated by the 1950-53 Korean War at the Mount Kumgang resort on Sept. 25-30. April 3: The North bars South Korean personnel and production materials from going into the Kaesong Industrial Complex, citing provocations against its supreme leadership and joint South Korea-U.S. military drills.