International Workers' Day, also known as Labor Day in some countries, is a celebration of laborers and the working classes promoted by the international labor movement, socialists and communists, and occurs every year on May 1.
Workers Rally for Rights, Higher Wages
![Supporters of the Communist Party hold flags during a May Day rally in Simferopol, Crimea, May 1, 2016.](https://gdb.voanews.com/890cfa25-86fb-4b63-9d37-204e67f1b4a4_w1024_q10_s.jpg)
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Supporters of the Communist Party hold flags during a May Day rally in Simferopol, Crimea, May 1, 2016.
![Visitors take photos of a portrait of Sun Yat-sen, widely regarded as the founding father of modern China, at Tiananmen Square on the eve of the May Day holiday in Beijing, April 30, 2016. Millions of Chinese take advantage of the May Day holidays to travel.](https://gdb.voanews.com/5e5e378f-cb9f-4c2f-b667-62ca11e9a26c_w1024_q10_s.jpg)
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Visitors take photos of a portrait of Sun Yat-sen, widely regarded as the founding father of modern China, at Tiananmen Square on the eve of the May Day holiday in Beijing, April 30, 2016. Millions of Chinese take advantage of the May Day holidays to travel.
![Lebanese workers sort out metal scrap at a warehouse in the southern port city of Sidon, Lebanon, April 30, 2016, a day ahead of International Labor Day celebrated worldwide on May 1.](https://gdb.voanews.com/e2b571f2-3f4b-42ca-9898-c3b90619e07e_w1024_q10_s.jpg)
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Lebanese workers sort out metal scrap at a warehouse in the southern port city of Sidon, Lebanon, April 30, 2016, a day ahead of International Labor Day celebrated worldwide on May 1.