-
Circa 1945, After World War II, Japanese occupation of Korea ends with Soviet troops occupying the north, and US troops the south.
-
Circa 1948, Democratic People's Republic of Korea proclaimed. Soviet troops withdraw.
-
Circa 1950, South declares independence, sparking North Korean invasion.
-
Circa 1953 - Armistice ends Korean War, which has cost two million lives.
-
Circa 1968, US intelligence-gathering vessel seized by North Korean gunboats.
-
Circa 1969, US reconnaissance plane shot down.
-
The late Kim Il-song declared "eternal president", while Kim Jong-il's powers widened to encompass head of state.
-
Circa July 2003, Pyongyang says it has enough plutonium to start making nuclear bombs.
-
Circa February 2005, Pyongyang says it has built nuclear weapons for self-defence.
-
Circa October 2006, North Korea claims to test a nuclear weapon for the first time.
-
Circa November 2007, North and South Korea's prime ministers meet for the first time in 15 years.
-
Circa June 2009, North Korea sentences US journalists Laura Ling and Euna Lee to 12 years hard labour for allegedly crossing the border illegally. They are freed in August, after former US President Bill Clinton visits to help secure their release.
-
Circa February 2012, Kim Jong-il is posthumously awarded the highest military title of Generalissimo - the same rank held by his father, Kim Il-sung.
-
Circa January 2013, North Korea announces it will carry out a third "high-level nuclear test" and rehearse more long-range rocket launches aimed at the US "arch-enemy". The previous two tests were conducted in 2006 and 2009.
-
Circa February 2013, North Korea carries out a third nuclear test, said to be twice as big as the 2009 test.
-
Circa May 2013, North Korea tests four short-range missile over one weekend.