May 1, 2017 all-day
The first day of May has been observed as a holiday since ancient times. Spring festivals, maypoles and maying are still common, but the political importance of May Day has grown since the 1880s, when it became a workers day.
NIn 140 countries, May 1 is observed as a workers holiday. When it falls on a Saturday or Sunday, the following Monday is observed as a holiday. Bermuda, Canada and the US are the only countries that observe Labor Day in September. The Bahamas observe Labor Day in June.
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