By Kristen Johanson

PHILADELPHIA (CBS) — It’s been 47 years since Dr. Martin Luther King, Jr. was assassinated in Memphis, Tennessee. Saturday, hundreds gathered to remember his fight, and called for economic change in the Philadelphia area.

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Leaders from the interfaith community group known as POWER, honored their respective Jewish and Christian holy holidays with a rally and march for economic equality.

“We’re gathering today to demand 15-dollars an hour minimum wage,” said Executive Director Bishop Dwayne Royster, “a right for workers to unionize and also full employment for all the citizens of Philadelphia that have the desire to work.

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Rabbi Julie Greenberg, who is also involved with POWER, said this march represents the meaning of Passover.

“I think it is so important to be in synagogue and to be enacting our Seders and also to be standing with liberation movements because that’s the spirit of this holy day.”

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Union representatives, student groups, and community activists also attended the event.