original_query: What is the significance of Jenny Fulle becoming the first girl to play Little League baseball legally in the United States?
query: What is the significance of Jenny Fulle becoming the first girl to play Little League baseball legally in the United States?
answer: Jenny Fulle's case sparked a legal and social battle challenging Little League's ban on girls.  It highlighted gender discrimination in youth sports and ultimately led to Little League amending its charter to include girls.