Language Milestones By mleonard1231 Dec 31, 1990 Birth Mar 30, 1991 Babbling Jun 30, 1991 First Smile Aug 30, 1991 First word Jan 1, 1992 Single meaningful utterances Mar 30, 1992 Two-word utterances Dec 31, 1992 Using 50 words or more Mar 31, 1993 Over generalizing the morphological aspects Jun 30, 1994 Short, meaningful sentence Dec 31, 1994 Corrected use of the morphological aspects