A birthday-cake contest from 7 a.m. to 2 p.m., Friday, Aug. 21, features a dance performance by Viva Arizona!, a historical presentation by Gayle Hartmann, cake and refreshments. The contest will be judged by KMXZ FM 94.9’s Bobby Rich. The deadline for entries is 6 p.m., Thursday, Aug. 20. Free. Call or visit www.tucsonaz.gov/ward2 for more information.