• International No Diet Day
• No Homework Day
• Beverage Day
• National Nurses Day - USA
• National Crepe Suzette Day - USA
• Great Lakes Awareness Day - USA
• National Tourist Appreciation Day - USA
• National Skin Self-Examination Day (Melanoma Monday) - USA
• National Meeting Planners Appreciation Day - USA
• Joseph Brackett Day - USA
• National Coffee Day - Denmark
• Spring Festival «Sham Ennessim» - Egypt
• Spring Celebration «Hıdırellez» - Türkiye
• Labour Day - Australia
• Anfestiriya - Cyprus
• Dia Nacional do Azulejo - Portugal
• Early May Bank Holiday - United Kingdom, Ireland
• Holocaust Memorial Day (Yom HaShoah) - Israel
• Martyr’s Day - Lebanon, Syria, Gabon
• Day of Gorans - Kosovo