Translation of "18th" in Korean

18th-century German philosopher superstar.

18세기 독일의 대철학자

So anyway, flash forward to my 18th birthday,

제 18살 생일로 돌아가 볼게요.

The greatest mathematician of the 18th century, Leonhard Euler,

18세기 최고의 수학자인 레온하르트 오일러는

An idea that we associate with the 18th century Enlightenment,

그 사상은 18세기의 계몽주의와 연관되어 있죠.

That's the number of women who were married before their 18th birthday.

18세 이전에 결혼하는 아이들이

Since the 18th century, Iran had been invaded by the Russians and British twice.

18세기 부터, 이란은 러시아와 영국으로부터 두 차례의 침략을 받았다.