National Lemonade Day is celebrated on the first Sunday in May, with this year's observance taking place on May 3. The event aims to teach youth in the United States about entrepreneurship by setting up their own lemonade stands, allowing them to learn valuable skills such as business management, financial literacy, and teamwork. Participants have the opportunity to engage with their community while enjoying refreshing lemonade and supporting a good cause. The concept originated when Michael Holthouse's daughter, Lissa, sought to raise money for a pet turtle by opening a lemonade stand, inspiring the National Lemonade Day campaign. The day emphasizes not just fun and enjoyment but also instills confidence and entrepreneurial spirit in children, contributing positively to their future success.