Annual events for 1 May

May Day.
Labor day, Labour day (International)
Workers' day (Different name)
St. Joseph the Worker
Fete du Travail (Djibouti)
Spring Day (Estonia, Turkey)
Flower Festival (Greece)
Proclamation of the Republic of Marshall Islands
Valpurgis Night (Russia)
Lei Day (Hawaii)
Bird Day (Oklahoma)
/More info on http://en.wikipedia.org/wiki/May_1
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