Red is the color of communism.........................................from Germany....a book written by the German...........Karl Marx....

International Workers' Day - Wikipedia

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International Workers' Day, also known as Workers' Day, Labour Day in some countries and .... 1 May was chosen to be International Workers' Day to commemorate the 1886 Haymarket affair in Chicago. ... May Day is one of the most important holidays in communist countries such as the North Korea, Cuba and the former ...

Celebrations‎: ‎Various, depending on the count...

Date‎: ‎1 May

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