May 15th (1540) was a Wednesday. It's the 135th day of the year (136th in leap years) in the Gregorian calendar. There are 230 days left to the end of the year.
May 15th Holidays in History
» Aoi Matsuri (Kyoto)
» Christian feast day:
» Achillius of Larissa
» Athanasius of Alexandria (Coptic Orthodox Church of Alexandria or Coptic Church)
» Dymphna
» Hallvard Vebjørnsson (Norway)
» Hilary of Galeata
» Isidore the Laborer, celebrated with festivals in various countries, the beginning of bullfighting season in Madrid.
» Jean-Baptiste de La Salle (Roman Catholic Church)
» Peter, Andrew, Paul, and Denise (Roman Catholic Church)
» Reticius (Roman Catholic Church)
» Sophia of Rome (Roman Catholic church)
» May 15 (Eastern Orthodox liturgics)
» Republic Day or Constituent Assembly Day (Lithuania)
» Earliest date on which Armed Forces Day can fall, while May 21 is the latest; celebrated on the third Saturday of May. (United States)
» Earliest date on which Bike-to-Work Day can fall, while May 21 is the latest; celebrated on the third Friday of May. (United States)
» Independence Day, celebrates the independence of Paraguay from Spain in 1811. Celebrations for the anniversary of the independence begin on Flag Day, May 14.
» International Day of Families (International observance e.g International)
» Saint Ubaldo Day named La Corsa dei Ceri begins on the eve of the feast day of Ubald named Saint Ubaldo. (Gubbio)
» Mercuralia, in honour of Mercury (mythology) known as Mercury. (Roman Empire)
» Nakba Day (Palestinian people e.g Palestinian communities)
» Peace Officers Memorial Day (United States)
» Armed Forces Day Slovenia called Slovenian Army Day (Slovenia)