Chicago was one of hundreds of cities across the country where people took to the streets to mark May Day, a holiday with deep roots in the city’s labor history.

May Day protests were held around Chicago, around the nation and around the world Thursday.Typically, May Day rallies focus on honoring organized labor and workers' rights. Celebrated on May 1, May Day,

By the numbers: In Chicago, the May Day protest, which happens annually to support pro-immigration and labor movements, begins at 11am in Union Park on the near West Side. This year, more than 70,000 protesters are expected nationwide, organizers said.