About National Smile Power Day
Did you know that a smile can add years to your life and make you or someone else a happier person? A smile can also change a person’s mood, improve relationships, and in business, a smile sends a great customer service message.
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National Handshake Day 🤝
Celebrate National Handshake Day and master the art of the perfect handshake to leave a positive, lasting impression with every greeting.
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Other Observances on June 15th 2026
National Prune Day
Celebrate National Prune Day with fun recipes, nutrition tips, and easy ideas to enjoy this sweet, antioxidant-rich superfruit every day
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