On April 4. 2011, commemorations of the life, work, and martyrdom of the Reverend Dr. Martin Luther King Jr. took place all over the country. Denver activists, workers, and students organized a march, various rallies, and a teach-in and student walk-out. The Denver actions emphasized the themes of Dr. King's solidarity with working class struggle, and the unfinished work left to current and future generations.
The march, organized by SEIU and , began at 17th & California Streets and continued through the downtown area, ending at the . In addition to the usual signs, some marchers carried brooms and mops, while others carried garbage can lids, crashing them together like cymbals. About 200 persons participated, including members of several other unions, the most radical presence being the IWW, who carried a banner that read “Forget Workers' Rights; It's Time for Workers' Control.”