Seems like a simple thing but I can't seem to find a way to do it.
It would be great to see a couple different methods.
@Chuck's answer is correct, and lead me to the following code. Thought I'd share:
NSDateComponents *comps = [[NSDateComponents alloc] init];
[comps setDay:10];
[comps setMonth:10];
[comps setYear:2010];
NSDate *date = [[NSCalendar currentCalendar] dateFromComponents:comps];