@ SF Public Library Park Branch, 1833 Page Street. An exhibit of then and now photos providing a walk down memory lane of the Haight-Ashbury scene from 1967. Through December 7. sfpl.org

@ San Fransisco City Hall, 1 Dr. Carlton Goodlett Place, Rm 284. Supervisor Rafael Mandelman welcomes artist Jun Yang whose art is currently on display. 4-5pm. mandelmanstaff@sfgov.org

@ Castro Theatre, 429 Castro Street. The “Fabulous Cho” says that her latest show is her “sickest to date” and that she’ll be talking about coming off drugs, drinking, being on the brink of suicide and coming back to life. 7pm & 9pm. castrotheatre.com

@ Beaux, 2344 Market Street. Gay men and their friends meet to socialize and enjoy the scene at Beaux. 5-8pm. maxsf.org

@ Blackbird, 2124 Market Street. A birthday celebration in support of candidate Rafael Mandelman’s campaign for Supervisor of District 8. 6-9pm. rafaelmandelman.com

@ Bently Reserve, 301 Battery Street. Transgender Law Center marks fifteen years of advocacy with its annual celebration. 6-10pm. transgenderlawcenter.org

@ The Gardens at Lake Merritt, 666 Bellevue Avenue, Oakland. A unique Oakland tradition presenting a three night art and light event where local artists create gigantic and small works of art using light to benefit the Gardens at Lake Merritt. 6-11pm Oct. 19, 20 and 21. gardensatlakemerritt.org

@ Infusion, 124 Ellis Street. Hosted by Berkeley and Princeton BTGALA, the monthly mixer welcomes all alumni and friends. 6:30–9pm. btgala.tigernet.princeton.edu

@ Roxie Theater, 3117 16th Street. A Frameline Encore free screening of the documentary based on the book by David K. Johnson looking at the legacy of Eisenhower’s executive order in 1953 banning homosexuals and other sexual perverts from working in the federal government. 7pm. frameline.org