7h 13min, nov 24, 1950 y - MacArthur launches his final offensive toward the Yalu River, the border between North Korea and China.
Description:
It is important because the Yalu river used to be a border between North Korea and China and now that the border is broken down, both the nations are at risk
Added to timeline:
Date:
7h 13min, nov 24, 1950 y
Now
~ 73 years ago