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Join us for an unforgettable celebration of ONYX’s BLACKOUT 30  “Homecoming” . BLACKOUT 30 is a weekend celebration of ONYX’s 30th anniversary with ONYX University, ONYX’s legendary cocktail parties, Chicago Leather Bar Crawl and so much more. BLACKOUT weekend registration is SOLD OUT. You can purchase A-la' Carte items (i.e. ONYX Univeristy, Parties, etc.) by clicking here