MASS 
 Anniversary - Fri 8/28/1998 6p
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Chicago Critical Mass
Anniversary
Fri Aug 28th 1998 6p

Critical Mass is a very large group bike event, gathering in Chicago the last Friday of every month for 15+ years. Leaves Daley Plaza downtown (50 W Washington St) around 6pm.
Contact: Michael Burton
ChicagoCriticalMass.org
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CCM RT @ChicagoBikeLaw: Enjoying local #bikechi honey from @bikeabee one of those things u don't know yr missing till u t...
CCM RT @kofchicago: #bikeCHI friends on Perimeter Ride around Chicago. I hope to at least bike to things in Portage Park/...
CCM Look who made the front page of the @chicagotribune @SlowRollChicago @theycallmeOboi #bikeChi #chicago
CCM RT @BronzevilleBike: Yes! MT @m1181981s: #Bronzeville was fun. Toured famous sites, learned a lot. Klaire #CityQuest ...
CCM RT @bicyclen: Show class, have pride, and display character. If you do, winning takes care of itself. -Paul Bryant
CCM @matthewtavery @KoziePrery got nothing but dope cycling caps. Made here in Chicago. #bikeChi #hometownHeroes
CCM RT @ViridisBicycles: Cyclist Found Guilty for Riding in Street #bikechi #chibike #chicago...
CCM RT @NWSChicago: Latest thoughts on strong-severe t-storm potential Saturday. For entire details go to FB page http:…
CCM NEW "Bottle Presenting VIP Tray"..
CCM RT @copenhagenize: #ibikebecause it's the quickest, most convenient AtoB. End of story.
CCM RT @bruce_katz: Here's what a city of ~5 million looks like in the US vs in Spain. #infrastructure decisions matter #...
CCM RT @ChicagoBreaking: Evanston man diagnosed with West Nile virus
CCM “@FactHive: Studies show that popular kids in high school earn more money in the long run than less popular kids....
CCM @lakeshorescribe @cta & they wonder why ridership on Chicago public transportation is down. Your have a more enjoyabl...
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