@ 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

@ SF LFBT Community Center, 1800 Market Street. A showcase of local LGBTQIA owned or operated small businesses (makers and service providers) including brunch, information booths and workshops. 10am-2pm. sfcenter.org

Celebrating his forthcoming picture books for young people coming out this fall (2pm) and talk by author Laurie Kahn (4pm) on her book Baffled by Love: Stories of the Lasting Impact of Childhood Trauma Inflicted by Loved Ones @ Laurel Bookstore, 1423 Broadway, Oakland.  laurelbookstore.com

@ Oasis, 298 Eleventh Street. The final weekend for D’Arcy Drollinger’s drag send up of the beloved sci-fi TV supernatural series of the 90s. 7pm. sfoasis.com

@ First Congregational Church of San Francisco, 1300 Polk Street. The annual fall concert of the Lesbian/Gay Chorus of San Francisco with costumes encouraged. 7:30pm. Also on October 28. lgcsf.org

@ La Peña Cultural Center, 3105 Shattuck Avenue, Berkeley. Dress in 1930s costumes for a brothel setting (Mz. Pat’s House) during the Great Depression when Mz. Pat’s was a safe-haven for anyone who was disenfranchised, women fleeing domestic violence, gay and queer folks and well-known gangsters on the run. 7:30pm. lapena.org

@ 6454 Brann Street, Oakland. Don your creepiest costume for the byob women’s dance with two bands Ruby’s In Town (R&B, funk, Motown) and Bad Ass Boots (country). 8pm. themustangs1987@aol.com

@ Bayview Opera House, 4705 3rd Street. Sisters of Perpetual Indulgence and The Bayview Opera House Ruth Williams Memorial Theater present an evening of art, contests, prizes, crafted drinks and music by DJ Casanova to benefit the Bayview Opera House. 8pm-12am. bvoh.org