Translation of "Shortly" in Korean

Shortly after,

그 후로 얼마 안 되어,

That was shortly after the Nigerian civil war --

비아프라전쟁 직후로

It was shortly after the end of the Contra War,

콘트라 전쟁이 막 끝났을 무렵으로,

So, shortly after, and I do believe it was because of the shift that I had,

제 생각의 전환 덕분인지,