2004    The President of South Korea, Roh Moo-hyun, is impeached by its national assembly: the first such impeachment in the nation's history.

2004    The Constitutional Court of South Korea overturns the impeachment of President Roh Moo-hyun.

2007    President Roh Moo-hyun of South Korea walks across the Military Demarcation Line into North Korea on his way to the second Inter-Korean Summit with North Korean leader Kim Jong Il.