@ 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

@ Union Square. An all-day birthday celebration where the community is invited to skate free of charge and enjoy performances and birthday treats. 10am-1:30pm. unionsquareicerink.com

@ Berkeley location provided with RSVP. A gathering of women and men who seek intelligent conversation and stimulating ideas, hosted by Bev Scott, Jan Schmuckler and B. Kim Barnes. 4-7pm. bit.ly/2x2gehp 

@ Terrace Room, Lake Merritt Hotel, 1800 Madison Street. The longstanding social mixer welcomes Charlotte Maxwell Clinic staff and the band Ruby’s in Town for dancing to oldies, funk, R&B, Motown and more. 6pm Social/7:30pm Dancing. Ebabes TGIF on meetup.com

@ GLBT History Museum, 4127 18th Street. A new documentary with first-person narratives from pathfinders, gay liberationists, dykes and lesbian separatists. 7-9pm. glbthistory.org

@ Novato Theater Company Playhouse, 4320 Nave Drive, Novato. Highly reviewed community theater production of Fred Ebb and Bob Fosse’s 40-year-old classic. Friday, Saturdays and Sundays through November 12. novatotheatercompany.org 

@ Feinstein’s at the Nikko, 222 Mason. Classically trained singer-songwriter Chris Mann is best known for his two year run at The Phantom in The Phantom of the Opera and his two seasons as a finalist on The Voice. 8pm. Continues Nov 4. feinsteinsatthenikko.com

@ Brava Theater Center, 2781 24th Street. A Day of the Dead opera from the other side using multimedia folk-opera to explore cultural norms of silence and death. 8pm. brava.org