It’s Tuesday, Aug. 11, and here are five things to know in Montgomery County. Fall Program Registration: Fall registration for Montgomery County Recreation’s fall programs starts today for county residents. Tax-Free Week: Maryland’s Tax-Free Week for back-to-school shopping runs through Saturday. Virtual Meeting About Pooks Hill Road: From 7-9 p.m. the county will host an online public hearing on Microsoft Teams to discuss proposed changes to improve traffic safety along Pooks Hill Road in Bethesda. Fair Countdown: Three days to go until the annual Montgomery County Agricultural Fair returns in Gaithersburg.