Yi Sun-sin · every age
What was Yi Sun-sin doing at 38?
Passed the military exam at 30, won with 12 ships at 52
- c. 1583
Captured a Jurchen leader while commanding Geonwon fort
Back on the northern frontier.
Source: en.wikipedia.org - Nov 1583
His father died; three years of mourning at Asan
Source: ko.wikipedia.org