International Workers' Day is celebrated on May 1 as a national holiday in more than 80 countries, with organized street demonstrations and marches.
International Workers' Day commemorates the 1886 Haymarket Massacre in Chicago.
More information on the 2012 events:
worldwide
in NYC
Other May 1 events NYC:
Sun Rises @ 05:54 EDT
Sun Sets @ 19:52 EDT
Solar Noon @ 12:53 EDT
Occupy Wall Street,
Worldwide