North Korean troops crossed in South Korea on June 25 1950 which started the Korean War...
From Russia and China.
North Korean and Chinese troops at various locations during the Korean War
in June 1950, North Korean troops crossed the 38th parallel that separates North Korea from South Korea and was the cause for the Korean war (conflict)
Korean conflict .
to clear south Korea from occupation by north Korean and Chinese troops
fought North Korean and Chinese troops
From Russia and China.
Kim-Il-Sung
North Korean and Chinese troops at various locations during the Korean War
During the Korean war the North Korean troops took over almost the whole Korean peninsula. Only due the US led UN troops intervention did the South Korean survive. After Some back and forth fighting with the US + South Korean troops agains North Korean + Chinese troops did the border stabilize where it stands today. US troops remain in South Korea as a deterrant against Norths invasion and to uphold the peace in the peninsula.
in June 1950, North Korean troops crossed the 38th parallel that separates North Korea from South Korea and was the cause for the Korean war (conflict)
The US contributed the most troops and material during the Korean War .
Korean conflict .
to clear south Korea from occupation by north Korean and Chinese troops
The war started when North Korean troops crossed the 38th Parallel and invaded South Korea.
China sent troops during the Korean war to the North to help them fight the South. Russia gave the North and China weapons.
North Korean troops invaded South Korea on June 25, 1950