Head to Concordia today to participate in the third annual Art + Feminism Wikipedia Edit-A-Thon, part of a global project to improve representation by and of women and their achievements in Wikipedia. Workshops will be held during the event to help build wiki-skills for new editors. 1515 Ste-Catherine W., EV 3.741, 11 a.m.–5 p.m., free
Three new exhibitions open with a vernissage today at Petite-Patrie’s Art Mûr, including kinetic and sensory installations from Patrick Bérubé, sculptures from Zeke Moores and storytelling diorama-like sculpted scenes by Karine Giboulo that critique Canada’s damaged relationship with First Nations communities. 5826 St-Hubert, 3–5 p.m., free
Author, director and actress Amber Tamblyn is in Montreal to read from her new collection of poetry, Dark Sparkler, an acclaimed tome about life, death and Hollywood actresses, with commissioned art by David Lynch, Adrian Tomine, Marcel Dzama and Marilyn Manson. Also reading as part of this event at Drawn & Quarterly are local poets Ashley Opheim and James Winston. 211 Bernard W., 7 p.m.
A brand new season of Montreal Roller Derby action kicks off tonight at Taz Skatepark with a round robin match between the Montreal teams the Contrabanditas, La Racaille and Les Filles du Roi. 8931 Papineau, 8 p.m., $15/$10 in advance
Feminist experimental performance art festival Edgy Women throws one last bash tonight before putting the project to bed after 23 years. Tonight’s cabaret-style show will feature performances from NYC’s T.L. Cowan, Toronto’s Alvis Parsley and Judy Virago plus locals Alexis O’Hara, Claudia Chan Tak and Marie La Vierge. Cabaret Lion d’Or (1676 Ontario E.), 8 p.m., $10–$20 PWYC
Get ready for a big dose of nocturnal synth-pop, care of Montreal duo Essaie Pas — who are on the cover of the March edition of our newspaper (see our cover story here) — as they launch their third album with a show at la Sala Rossa, featuring openers Orphx and GRKZGL and DJ Ita. 4848 St-Laurent, 10 p.m., $10/$12