Battle of Dadaejin

The Battle of Dadaejin
Part of Imjin War
DateMay 24, 1592 (Gregorian Calendar);
April 14, 1592 (Lunar calendar)
Location
Dadaejin, Busan
35°6′0.00″N 129°2′25.01″E / 35.1000000°N 129.0402806°E / 35.1000000; 129.0402806
Result Japanese victory
Belligerents
Toyotomi Japan Kingdom of Joseon
Commanders and leaders
Konishi Yukinaga Yun Heungsin 
Bak Hong
Strength
At least 7,000 men 800 men
Casualties and losses
Unknown Entire garrison massacred or most killed
Location within South Korea
Battle of Dadaejin (Korea)

The Battle of Dadaejin and the Siege of Busan were the first battles of the Japanese invasions of Korea (1592–1598) and occurred simultaneously on April 13–14, 1592 (Gregorian: May 23–24, 1592).