January 25, 2020 is the 75th anniversary of community water fluoridation, a practice that helps significantly improve oral health. Join Pennsylvania Coalition for Oral Health and other organizations in celebrating this important public health achievement by spreading the word on Facebook and Twitter. The American Fluoridation Society created free graphics to use to promote the anniversary on social media. There will be a “Twitter Storm” on Friday, January 24 from 10 a.m. to 10:30 a.m. to celebrate the anniversary. During this time, fill Twitter with community water fluoridation anniversary posts. Be sure to use #fluoride4health75 in all posts!