Check your Birthday – Draft Lottery 1969: http://www.landscaper.net/draft.htm
#1-119 had a 100% chance of being drafted to Vietnam in 1970 (barring deferments)
#120-240 had a 50/50 chance of being drafted to Vietnam in 1970 (barring deferments)
#241-366 were not likely to be sent to Vietnam in 1970 but may have been drafted in 1971