Labor Day / May Day
Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world.
Elsewhere on timeanddate.com
Day of Madrid
The Day of the Autonomous Community of Madrid, Spain, marks the anniversary of an uprising against French troops in Madrid. It is an annual local public holiday on May 2.
Mothers' Day
One of Spain’s most popular and festive family occasions is Mothers’ Day on the first Sunday in May.
Whit Sunday/Pentecost
Many Christians all over the world annually observe Pentecost, also known as Whitsunday or Whit Sunday.