4 - 8 pm - Mardi Gras in November, why not! Senior Citizens are invited to the First Formal Annual Mardi Gras Ball that is guaranteed to be one of the most memorable times of the year. All attendees are encouraged to wear a mask and dress for the occasion in their favorite Mardi Gras attire. There will be music, dancing and refreshments for your enjoyment! The 2019 Mardi Gras King and Queen will be crowned at the Ball. For ages 55+. Registration opens October 1st and can be done at https://cityofprosser.com/index.asp?SEC=F64E63C6-AE99-415D-9C19-64F6A467C582&Type=B_BASIC.