birthsJune 30, 1949ShareBùi Thanh Liêm, Vietnamese cosmonaut (died 1981)Bùi Thanh LiêmBùi Thanh Liêm was a Vietnamese cosmonaut.June 30June 30 is the 181st day of the year in the Gregorian calendar; 184 days remain until the end of the year.Read more on Wikipedia