World Give Day
World Give Day is held on May 4. It is one day a year when people all over the world come together to support the causes they care about most. Whether you donate to your favorite non-profit, a person in your community, or give some of your time, World Give Day is a day to focus on giving back. This event in the first decade of the month may is annual.
International Sauvignon Blanc Day on May 5 (The First Annual Sauvignon Blanc Day was celebrated in 2009. Celebrated always on the first Friday in May);
International Handwashing Day on May 5 (since 2009, when the WHO Patient Safety Program launched a new initiative called Save Lives: Wash Hands)