Demonstrators march in solidarity for immigrant workers in Seattle on May Day Demonstrators march in solidarity for immigrant workers in Seattle on May Day SEATTLE - A call for action supporting immigrant workers echoed through the streets of Seattle’s Central District on Saturday. Dozens of demonstrators participated in the annual Worker’s Rights March, recognized on May 1st as International Worker’s Day. "We’re going to stand for racial justice, immigrant justice, and our movements are what have built towards this moment and towards this moment of action," said Roxana Norouzi, deputy director of immigrant rights organization OneAmerica.