Today in Korean history

June 6

1882 -- Korea's Joseon Kingdom signs a treaty of friendship and commerce with Britain.

1956 -- South Korea holds its first memorial ceremony for soldiers who died in the 1950-53 Korean War. The June 6th Memorial Day was established that year as a national holiday, as the country became stable three years after the war ended.

1999 -- Samsung Electronics develops the world's first 256-megabit dynamic random access memory (DRAM) chip.